Yuk, kita ketahui bersama mengenai jenis-jenis bilangan pecahan, lengkap dengan masing-masing contohnya di artikel Matematika kelas 7 berikut!
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Hai, hai~ kamu sudah baca artikel tentang Pengertian dan Contoh Bilangan Bulat? Buat yang belum menyimaknya, kamu bisa pelajari dulu ya sebelum kita melanjutkan materi tentang jenis-jenis bilangan pecahan serta bagaimana cara menyederhanakan dan mengubah tiap bilangan pecahan tersebut.
Oke, masih ingat dengan materi pecahan? Di bangku sekolah dasar, materi ini sudah kamu pelajari, ya. Dan di tingkatan ini, akan dipelajari kembali dengan bahasan yang lebih detail.
Dalam Matematika, pecahan merupakan suatu bagian dari keseluruhan. Maksudnya gimana, sih? Analoginya gini, coba deh kamu lihat gambar kue di atas! Kue tersebut dipotong atau dipecah menjadi beberapa bagian. Nah, bagian-bagian dari potongan kue itu yang bisa kita sebut sebagai pecahan. Paham nggak, nih?
Baca Juga: Mengenal Operasi Hitung pada Pecahan
Pecahan bisa kita tulis dalam bentuk sebagai berikut, teman-teman.
Dengan a bisa kita katakan sebagai bagian yang kita pilih, dan b sebagai bagian dari keseluruhan. Sebagai contoh potongan kue di atas tadi, nih. Kalau kamu hitung, kue di atas dipotong menjadi 12 bagian. Jika kamu ambil satu potongan, maka bisa disebut sebagai pecahan 1/12.
Secara matematis, a kita sebut sebagai pembilang dan b sebagai penyebut. Ingat, jangan sampai tertukar, ya! Oh iya, nilai penyebut itu nggak boleh sama dengan nol (0). Kenapa? Karena kalau nilai b nya nol, pecahannya menjadi nggak terdefinisi.
Pecahan itu banyak jenisnya, teman-teman. Bilangan pecahan terbagi menjadi pecahan biasa, pecahan campuran, bentuk desimal, serta persen dan permil. Kita akan bahas satu per satu secara rinci di artikel ini. Simak sama-sama, ya!
1. Pecahan Biasa
Pecahan biasa dapat berupa pecahan murni atau pecahan tidak murni. Waduh, apa lagi tuh pecahan murni dan tidak murni?
Nah, jika nilai pembilang lebih kecil daripada nilai penyebut (a < b), maka disebut pecahan murni. Contohnya:
Sementara itu, jika nilai pembilang lebih besar dari nilai penyebut (a > b), maka disebut pecahan tidak murni. Contohnya:
Sebelum lanjut, kita break sebentar yuk! Belajar Matematika seringkali memusingkan, ya? Hehehe… Nah, buat kamu yang masih suka bingung memahami Matematika, cobain belajar bareng Ruangguru Privat Matematika, yuk! Kamu bisa diajar secara langsung maupun daring (online) menyesuaikan kebutuhan. Semua guru di Ruangguru Privat juga sudah terstandarisasi kualitasnya, loh! Belajar jadi mudah, menyenangkan, dengan biaya yang terjangkau. Tertarik? Klik banner di bawah ini, ya!
2. Pecahan Campuran
Pecahan campuran adalah pecahan yang memuat campuran bilangan bulat dan pecahan murni. Contohnya:
Lalu timbul pertanyaan, bagaimana mengubah pecahan biasa menjadi pecahan campuran, maupun sebaliknya? Caranya mudah kok, tapi yang harus kamu pahami dulu, pecahan yang bisa diubah menjadi pecahan campuran adalah pecahan tidak murni. Kalau pecahan murni hanya bisa disederhanakan, ya.
Cara Mengubah Pecahan Biasa (Tidak Murni) ke Pecahan Campuran
Pembilang dibentuk menjadi kelipatan penyebut, dan ditambahkan sisanya.
atau, bisa juga dengan cara pembagian bersusun, seperti ini:
Cara Mengubah Pecahan Campuran ke Pecahan Biasa (Tidak Murni)
Pembilang dibentuk dari bilangan bulat pada pecahan campuran yang dikalikan dengan penyebut, lalu ditambahkan pembilang pada pecahan campuran.
Baca Juga: Cara Menyelesaikan Bentuk-Bentuk Aljabar
3. Bentuk Desimal
Bentuk desimal adalah suatu bentuk pecahan dengan penyebut khusus, seperti 101, 102, dan seterusnya (10 pangkat bilangan bulat positif). Cara penulisan bentuk desimal menggunakan tanda koma sebagai pemisah antara bilangan bulat dengan pecahan.
Pada bentuk desimal, kita mengenal aturan pembulatan, nih. Penjelasannya begini,
Untuk angka > 5, dibulatkan ke atas. Contohnya:
0,436 dibulatkan menjadi 0,47;
0,215 dibulatkan menjadi 0,22;
0,666 dibulatkan menjadi 0,67.
Untuk angka <5, dibulatkan tetap pada bilangan itu. Contohnya:
0,432 dibulatkan menjadi 0,43;
0,284 dibulatkan menjadi 0,28;
0,333 dibulatkan menjadi 0,33.
Nah, lalu, bagaimana mengubah pecahan lain menjadi bentuk desimal dan sebaliknya?
Cara Mengubah Pecahan Biasa ke Bentuk Desimal
Membagi biasa secara bersusun seperti pada gambar berikut:
Mengubah pecahan ke bentuk desimal dengan pembagian bersusun. (Sumber: tes.com & enchantedlearning.com)
Cara Mengubah Bentuk Desimal ke Pecahan Biasa
Mengubah penyebut pecahan menjadi 10, 100, 1000, dst sesuai banyaknya angka di belakang koma seperti pada gambar berikut:
Mengubah bentuk desimal ke pecahan biasa.
4. Persen dan Permil
Pecahan dengan penyebut 100 disebut dengan persen (disimbolkan dalam “%”), sedangkan jika penyebutnya 1000 disebut permil (disimbolkan dalam “‰”).
Bagaimana cara mengubah pecahan ke persen dan permil, juga sebaliknya?
Cara Mengubah Pecahan Biasa ke Persen dan Permil
Mengubah penyebutnya menjadi 100/1000 atau mengalikan pecahan tersebut dengan 100%/1000‰.
Cara Mengubah Persen dan Permil ke Pecahan Biasa
Mengubah penyebutnya menjadi 100/1000 lalu disederhanakan:
Contoh Soal Bilangan Pecahan dan Pembahasannya
Urutkan pecahan terkecil menjadi pecahan terbesar!
Pembahasan:
Cara mengurutkan bentuk desimal, pecahan biasa, dan persen adalah dengan mengubahnya menjadi bentuk yang sama. Salah satu caranya adalah mengubah menjadi pecahan biasa kemudian menyamakan penyebutnya.
Jadi, urutan pecahan terkecil ke terbesar:
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Bagaimana? Sudah mengerti kan, apa saja jenis-jenis bilangan pecahan dan bagaimana cara mengubahnya dari setiap jenis tersebut. Apakah kamu sudah bisa menyebutkan contoh-contoh bilangan pecahan? Kalau kamu masih bingung dan ingin memelajari lebih seru, coba aja langsung daftar ruangbelajar! Kamu akan mendapat rangkuman, latihan soal, dan video pembahasan lengkap dengan animasi menarik, lho!
Referensi:
As’ari A.R, Tohir M, Valentino E, Imron Z, Taufiq I. (2017) Matematika SMP/MTs Kelas VII Semester I. Pusat Kurikulum dan Perbukuan, Balitbang, Kemendikbud
Sumber Foto:
Foto ‘Mengubah desimal ke pecahan’ [Daring]. Tautan: https://www.assignmentpoint.com/science/mathematic/relating-decimals-fractions.html (Diakses: 17 Desember 2020)
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<h1 class="content-title">
Jenis-Jenis Bilangan Pecahan dan Contohnya | Matematika Kelas 7 </h1>
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<p class="content-author"><a href="https://www.ruangguru.com/blog/author/hani-ammariah" class="">Hani Ammariah</a> </p>
<p class="content-info"><span>August 27, 2024 • </span> <span>5 minutes read</span></p>
<br />
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<p><img decoding="async" style="width: 820px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Jenis-Jenis%20Pecahan%20-%20Matematika%207-02.jpg" alt="jenis-jenis bilangan pecahan" /></p>
<blockquote>
<p style="text-align: center;"><em>Yuk, kita ketahui bersama mengenai jenis-jenis bilangan pecahan, lengkap dengan masing-masing contohnya di <a style="font-weight: bold;" href="/blog/tag/matematika-vii" target="_blank" rel="noopener">artikel Matematika kelas 7 </a>berikut!</em></p>
<p style="text-align: center;"><em>—</em></p>
</blockquote>
<p> </p>
<p style="text-align: justify;">Hai, hai~ kamu sudah baca artikel tentang <strong><a href="/blog/pengertian-dan-contoh-bilangan-bulat" target="_blank" rel="noopener">Pengertian dan Contoh Bilangan Bulat</a></strong>? Buat yang belum menyimaknya, kamu bisa pelajari dulu ya sebelum kita melanjutkan materi tentang <strong>jenis-jenis bilangan pecahan</strong> serta bagaimana cara menyederhanakan dan mengubah tiap bilangan pecahan tersebut.</p>
<p style="text-align: justify;">Oke, masih ingat dengan materi pecahan? Di bangku sekolah dasar, materi ini sudah kamu pelajari, ya. Dan di tingkatan ini, akan dipelajari kembali dengan bahasan yang lebih detail.</p>
<p style="text-align: justify;">Dalam Matematika, pecahan merupakan suatu bagian dari keseluruhan. Maksudnya gimana, sih? Analoginya gini, coba deh kamu lihat gambar kue di atas! Kue tersebut dipotong atau dipecah menjadi beberapa bagian. Nah, bagian-bagian dari potongan kue itu yang bisa kita sebut sebagai pecahan. Paham nggak, nih?</p>
<p><strong>Baca Juga: <a href="/blog/matematika-kelas-7-mengenal-operasi-hitung-pada-pecahan" target="_blank" rel="noopener">Mengenal Operasi Hitung pada Pecahan</a></strong></p>
<p style="text-align: justify;">Pecahan bisa kita tulis dalam bentuk sebagai berikut, teman-teman.</p>
<p><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Jenis-Jenis%20Pecahan%20-%20Matematika%207-03-1.jpg" alt="bentuk umum pecahan" /></p>
<p> </p>
<p style="text-align: justify;">Dengan a bisa kita katakan sebagai bagian yang kita pilih, dan b sebagai bagian dari keseluruhan. Sebagai contoh potongan kue di atas tadi, nih. Kalau kamu hitung, kue di atas dipotong menjadi 12 bagian. Jika kamu ambil satu potongan, maka bisa disebut sebagai pecahan 1/12.</p>
<p style="text-align: justify;">Secara matematis, a kita sebut sebagai pembilang dan b sebagai penyebut. Ingat, jangan sampai tertukar, ya! Oh iya, nilai penyebut itu nggak boleh sama dengan nol (0). Kenapa? Karena kalau nilai b nya nol, pecahannya menjadi nggak terdefinisi.</p>
<p style="text-align: justify;">Pecahan itu banyak jenisnya, teman-teman. Bilangan pecahan terbagi menjadi pecahan biasa, pecahan campuran, bentuk desimal, serta persen dan permil. Kita akan bahas satu per satu secara rinci di artikel ini. Simak sama-sama, ya!</p>
<p><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Jenis-Jenis%20Pecahan%20-%20Matematika%207-14-1.jpg" alt="jenis-jenis pecahan" width="600" /></p>
<p> </p>
<h2 style="font-size: 20px;"><span style="font-size: 18pt;">1. Pecahan Biasa</span></h2>
<p style="text-align: justify;">Pecahan biasa dapat berupa pecahan murni atau pecahan tidak murni. Waduh, apa lagi tuh pecahan murni dan tidak murni?</p>
<p style="text-align: justify;">Nah, jika nilai <span style="font-weight: bold;">pembilang lebih kecil daripada nilai penyebut</span> (a < b), maka disebut <span style="font-weight: bold;">pecahan murni</span>. Contohnya:</p>
<p><img decoding="async" style="width: 250px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/pecahan%20murni.png" alt="contoh pecahan murni - pecahan biasa" width="250" /></p>
<p style="text-align: justify;">Sementara itu, jika nilai <span style="font-weight: bold;">pembilang lebih besar dari nilai penyebut</span> (a > b), maka disebut <span style="font-weight: bold;">pecahan tidak murni</span>. Contohnya:</p>
<p><img decoding="async" style="width: 250px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/pecahan%20tidak%20murni.png" alt="contoh pecahan tidak murni - pecahan biasa" width="250" /></p>
<p> </p>
<p style="text-align: justify;">Sebelum lanjut, kita <em>break</em> sebentar yuk! Belajar Matematika seringkali memusingkan, ya? Hehehe… Nah, buat kamu yang masih suka bingung memahami Matematika, cobain belajar bareng <a href="https://www.ruangguru.com/privat/matematika" target="_blank" rel="noopener"><strong>Rua</strong><strong>n</strong><strong>gguru Privat Matematika</strong></a>, yuk! Kamu bisa diajar secara langsung maupun daring (<em>online</em>) menyesuaikan kebutuhan. Semua guru di Ruangguru Privat juga sudah terstandarisasi kualitasnya, loh! Belajar jadi mudah, menyenangkan, dengan biaya yang terjangkau. Tertarik? Klik banner di bawah ini, ya!</p>
<p><a href="https://cta.ruangguru.com/blog-rg-10-privat-b"><img fetchpriority="high" decoding="async" class="aligncenter" src="https://cdn-web-2.ruangguru.com/landing-pages/assets/84b6f2c7-9c9c-480d-a218-7961334af9ce.png" alt="CTA Ruangguru Privat" width="820" height="300" /></a></p>
<p> </p>
<h2 style="font-size: 20px;"><span style="font-size: 18pt;">2. Pecahan Campuran</span></h2>
<p style="text-align: justify;">Pecahan campuran adalah <span style="font-weight: bold;">pecahan yang memuat campuran bilangan bulat dan pecahan murni</span>. Contohnya:</p>
<p style="text-align: justify;"><img decoding="async" style="width: 250px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/pecahan%20campuran.png" alt="contoh pecahan campuran" width="250" /></p>
<p style="text-align: justify;">Lalu timbul pertanyaan, bagaimana mengubah pecahan biasa menjadi pecahan campuran, maupun sebaliknya? Caranya mudah kok, tapi yang harus kamu pahami dulu, pecahan yang bisa diubah menjadi pecahan campuran adalah pecahan tidak murni. Kalau pecahan murni hanya bisa disederhanakan, ya.</p>
<p> </p>
<h3 style="text-align: justify; font-size: 16px;"><span style="font-size: 14pt;">Cara Mengubah Pecahan Biasa (Tidak Murni) ke Pecahan Campuran</span></h3>
<p>Pembilang dibentuk menjadi kelipatan penyebut, dan ditambahkan sisanya.</p>
<p style="text-align: justify;"><img decoding="async" style="width: 300px; margin-left: auto; margin-right: auto; display: block;" title="jenis bilangan pecahan" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/contoh%20bilangan%20desimal%201.jpg" alt="Contoh jenis bilangan pecahan" width="300" data-constrained="true" /></p>
<p>atau, bisa juga dengan cara pembagian bersusun, seperti ini:</p>
<p style="text-align: justify;"><img decoding="async" style="width: 200px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Rumus%20titipan%20hani-01.png" alt="Rumus titipan hani-01" width="200" /></p>
<p> </p>
<h3 style="text-align: justify; font-size: 16px;"><span style="font-size: 14pt;">Cara Mengubah Pecahan Campuran ke Pecahan Biasa (Tidak Murni)</span></h3>
<p style="text-align: justify;"><span style="background-color: transparent;">Pembilang dibentuk dari bilangan bulat pada pecahan campuran yang dikalikan dengan penyebut, lalu ditambahkan pembilang pada pecahan campuran.</span></p>
<p style="text-align: justify;"><span style="background-color: transparent;"><img decoding="async" style="width: 300px; margin-left: auto; margin-right: auto; display: block;" title="jenis bilangan pecahan" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/contoh%20bilangan%20desimal%202.jpg" alt="Contoh tidak murni jenis bilangan pecahan" width="300" data-constrained="true" /></span></p>
<p><strong>Baca Juga: <a href="/blog/penyelesaian-bentuk-bentuk-aljabar" target="_blank" rel="noopener">Cara Menyelesaikan Bentuk-Bentuk Aljabar</a></strong></p>
<p> </p>
<h2 style="text-align: justify;"><span style="font-size: 18pt;">3. Bentuk Desimal </span><span style="background-color: transparent;"><br />
</span></h2>
<p style="text-align: justify;">Bentuk desimal adalah suatu <span style="font-weight: bold;">bentuk pecahan dengan penyebut khusus</span>, seperti 10<sup>1</sup>, 10<sup>2</sup>, dan seterusnya (10 pangkat bilangan bulat positif). Cara penulisan bentuk desimal menggunakan tanda koma sebagai pemisah antara bilangan bulat dengan pecahan.</p>
<p style="text-align: justify;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Jenis-Jenis%20Pecahan%20-%20Matematika%207-16-1.jpg" alt="contoh bentuk desimal" width="600" /></p>
<p> </p>
<p style="text-align: justify;">Pada bentuk desimal, kita mengenal aturan pembulatan, nih. Penjelasannya begini,</p>
<p style="text-align: justify; line-height: 1em;">Untuk angka <span style="text-decoration: underline;">></span> 5, dibulatkan ke atas. Contohnya:</p>
<p style="line-height: 1em; text-align: center;">0,436 dibulatkan menjadi 0,47;</p>
<p style="line-height: 1em; text-align: center;">0,215 dibulatkan menjadi 0,22;</p>
<p style="line-height: 1em; text-align: center;">0,666 dibulatkan menjadi 0,67.</p>
<p style="text-align: justify; line-height: 1em;">Untuk angka <5, dibulatkan tetap pada bilangan itu. Contohnya:</p>
<p style="line-height: 1em; text-align: center;">0,432 dibulatkan menjadi 0,43;</p>
<p style="line-height: 1em; text-align: center;">0,284 dibulatkan menjadi 0,28;</p>
<p style="line-height: 1em; text-align: center;">0,333 dibulatkan menjadi 0,33.</p>
<p style="text-align: justify;">Nah, lalu, bagaimana mengubah pecahan lain menjadi bentuk desimal dan sebaliknya?</p>
<p> </p>
<h3 style="font-size: 16px;"><span style="font-size: 14pt;">Cara Mengubah Pecahan Biasa ke Bentuk Desimal</span></h3>
<p style="text-align: justify;">Membagi biasa secara bersusun seperti pada gambar berikut:</p>
<p style="text-align: justify;"><img decoding="async" style="width: 257px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/cara%20mengubah%20pecahan%20biasa%20menjadi%20desimal.png" alt="cara mengubah pecahan biasa menjadi desimal" width="257" /></p>
<p style="text-align: center;"><em>Mengubah pecahan ke bentuk desimal dengan pembagian bersusun. (Sumber: tes.com & enchantedlearning.com)</em></p>
<p> </p>
<h3 style="font-size: 16px;"><span style="font-size: 14pt;">Cara Mengubah Bentuk Desimal ke Pecahan Biasa</span></h3>
<p>Mengubah penyebut pecahan menjadi 10, 100, 1000, dst sesuai banyaknya angka di belakang koma seperti pada gambar berikut:</p>
<p style="text-align: justify;"><img decoding="async" style="width: 245px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/cara%20mengubah%20desimal%20ke%20pecahan%20biasa.png" alt="cara mengubah desimal ke pecahan biasa" width="245" /></p>
<p style="text-align: center;"><em>Mengubah bentuk desimal ke pecahan biasa.</em></p>
<p> </p>
<h2 style="text-align: justify; font-size: 18px;"><span style="font-size: 18pt;">4. Persen dan Permil</span><strong><br />
</strong></h2>
<p style="text-align: justify;">Pecahan dengan penyebut <strong>100 disebut dengan <a href="/blog/menghitung-harga-dan-persentase-untung-rugi" target="_blank" rel="noopener">persen</a> </strong>(disimbolkan dalam “%”), sedangkan jika penyebutnya <strong>1000 disebut permil</strong> (disimbolkan dalam “‰”).</p>
<p style="text-align: justify;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Jenis-Jenis%20Pecahan%20-%20Matematika%207-17-1.jpg" alt="persen dan permil" width="600" /></p>
<p> </p>
<p style="text-align: justify;">Bagaimana cara mengubah pecahan ke persen dan permil, juga sebaliknya?</p>
<p> </p>
<h3 style="font-size: 16px;"><span style="font-size: 14pt;">Cara Mengubah Pecahan Biasa ke Persen dan Permil</span></h3>
<p style="text-align: justify;">Mengubah penyebutnya menjadi 100/1000 atau mengalikan pecahan tersebut dengan 100%/1000‰.</p>
<p style="text-align: justify;"><span style="color: #000000;"><img decoding="async" style="width: 300px; margin-left: auto; margin-right: auto; display: block;" title="jenis bilangan pecahan" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/contoh%20bilangan%20pecahan%20dan%20permil.jpg" alt="Pecahan biasa permil" width="300" data-constrained="true" /></span></p>
<p> </p>
<h3 style="font-size: 16px;"><span style="font-size: 14pt;">Cara Mengubah Persen dan Permil ke Pecahan Biasa</span></h3>
<p style="text-align: justify;">Mengubah penyebutnya menjadi 100/1000 lalu disederhanakan:</p>
<p style="text-align: justify;"> <img decoding="async" style="width: 180px; margin-left: auto; margin-right: auto; display: block;" title="jenis bilangan pecahan" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/contoh%20bilangan%20pecahan%20dan%20permil%202.jpg" alt="persen -> pecahan biasa" width="180" data-constrained="true" /></p>
<p> </p>
<h2 style="font-weight: bold; font-size: 20px;"><span style="font-size: 18pt;">Contoh Soal Bilangan Pecahan dan Pembahasannya</span></h2>
<p style="text-align: justify;">Urutkan pecahan terkecil menjadi pecahan terbesar!</p>
<p style="text-align: justify;"> <img decoding="async" style="width: 200px;" title="jenis bilangan pecahan" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/contoh%20soal%20pecahan%20desimal.jpg" alt="jenis bilangan pecahan" width="200" data-constrained="true" /></p>
<p style="text-align: justify;"><img decoding="async" style="width: 200px;" title="jenis bilangan pecahan" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/contoh%20soal%20pecahan%20desimal%202.jpg" alt="jenis bilangan pecahan" width="200" data-constrained="true" /></p>
<p style="text-align: justify; font-weight: bold;">Pembahasan:</p>
<p style="text-align: justify;">Cara mengurutkan bentuk desimal, pecahan biasa, dan persen adalah dengan mengubahnya menjadi bentuk yang sama. Salah satu caranya adalah mengubah menjadi pecahan biasa kemudian menyamakan penyebutnya.</p>
<p style="text-align: justify;"><img decoding="async" style="width: 450px;" title="jenis bilangan pecahan" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/pembahasan%20soal%20pecahan%20desimal.jpg" alt="jenis bilangan pecahan" width="450" data-constrained="true" /></p>
<p style="text-align: justify;"><span style="background-color: transparent;">Jadi, urutan pecahan terkecil ke terbesar:</span></p>
<p style="text-align: justify;"><img decoding="async" style="width: 250px;" title="jenis bilangan pecahan" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/jawaban%20soal%20pecahan%20desimal.jpg" alt="jenis bilangan pecahan" width="250" data-constrained="true" /></p>
<p style="text-align: center;">—</p>
<p style="text-align: justify;">Bagaimana? Sudah mengerti kan, apa saja <strong>jenis-jenis bilangan pecahan</strong> dan bagaimana cara mengubahnya dari setiap jenis tersebut. Apakah kamu sudah bisa menyebutkan contoh-contoh bilangan pecahan? Kalau kamu masih bingung dan ingin memelajari lebih seru, coba aja langsung daftar <strong><a href="https://ruangguru.com/belajar?utm_medium=referral&utm_source=blog&utm_campaign=jenis-jenis-bilangan-pecahan" target="_blank" rel="noopener">ruangbelajar!</a></strong> Kamu akan mendapat rangkuman, latihan soal, dan video pembahasan lengkap dengan animasi menarik, <em>lho!</em></p>
<p><em><a class="rg-cta" style="text-align: center;" href="https://link.ruangguru.com/blPk/eaff0eb9" target="_blank" rel="noopener"><img decoding="async" class="aligncenter" src="https://cdn-web.ruangguru.com/landing-pages/assets/cta/0ec4a2df-db2e-4ae1-8473-692756dcb684.jpeg" alt="IDN CTA Blog ruangbelajar Ruangguru" /></a></em></p>
<p><strong>Referensi:</strong></p>
<p style="text-align: left;">As’ari A.R, Tohir M, Valentino E, Imron Z, Taufiq I. (2017) Matematika SMP/MTs Kelas VII Semester I. Pusat Kurikulum dan Perbukuan, Balitbang, Kemendikbud</p>
<p><strong>Sumber Foto:</strong></p>
<p style="text-align: left;">Foto ‘Mengubah desimal ke pecahan’ [Daring]. Tautan: https://www.assignmentpoint.com/science/mathematic/relating-decimals-fractions.html (Diakses: 17 Desember 2020)</p>
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<div class="col-6 col-md-3">
<nav class="footer-menu">
<p class="title"> Coba GRATIS Aplikasi Ruangguru</p>
<div class="download-list">
<ul>
<li>
<a target="_blank" rel="nofollow" href="https://apps.apple.com/id/app/ruangguru-solusi-belajar/id1099742206?l=id">
<img src="https://cdn-web-2.ruangguru.com/static/appstore.png" loading="lazy" alt="Button App Store Footer " />
</a>
</li>
<li>
<a target="_blank" rel="nofollow" href="https://play.google.com/store/apps/details?id=com.ruangguru.livestudents&hl=in">
<img src="https://cdn-web-2.ruangguru.com/static/googleplay.png" loading="lazy" alt="Button Google Play Footer " />
</a>
</li>
<li>
<a target="_blank" rel="nofollow" href="https://appgallery.huawei.com/#/app/C102352375">
<img src="https://cdn-web-2.ruangguru.com/static/huawei.png" loading="lazy" alt="Button AppGallery Footer " />
</a>
</li>
</ul>
</div>
</nav>
</div>
</div>
</div>
</div>
<div class="d-lg-none text-center">
<nav class="footer-menu social">
<p class="title">Ikuti Kami</p>
<a target="_blank" href="https://www.instagram.com/ruangguru/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/instagram.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/instagram.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/instagram.png" loading="lazy" alt="Logo Instagram Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.facebook.com/ruanggurucom/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/facebook.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/facebook.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/facebook.png" loading="lazy" alt="Logo Facebook Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://twitter.com/ruangguru/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/twitter.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/twitter.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/twitter.png" loading=" lazy" alt="Logo Twitter Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.youtube.com/ruangguru">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/youtube.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/youtube.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/youtube.png" loading=" lazy" alt="Logo Youtube Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.linkedin.com/company/ruangguru-com">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/linkedin.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/linkedin.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/linkedin.png" loading=" lazy" alt="Logo LinkedIn Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.tiktok.com/@ruangguru">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/tiktok.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/tiktok.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/tiktok.png" loading=" lazy" alt="Logo TikTok Footer" width="32px" height="32px" />
</picture>
</a>
</nav>
</div>
<p class="footer-copyright">
© 2026 All Rights Reserved PT. Ruang Raya Indonesia
</p>
</div>
<style>
.bantuan-container {
position: relative;
}
.bantuan-element {
position: fixed;
z-index: 999;
display: flex;
align-items: flex-end;
justify-content: flex-end;
cursor: pointer;
transition: all 0.6s ease;
}
.bantuan-top {
bottom: 11rem;
right: 2rem;
}
.bantuan-bottom {
bottom: 2rem;
right: 2rem;
}
.bantuan-top-2 {
bottom: 15rem;
right: 2rem;
}
.bantuan-top-3 {
bottom: 19rem;
right: 2rem;
}
.bantuan-bottom-2 {
bottom: 5rem;
right: 2rem;
}
.bantuan-bottom-3 {
bottom: 8rem;
right: 2rem;
}
@media (min-width: 768px) {
.bantuan-element img {
width: auto;
transition: all 0.4s ease;
}
.bantuan-top img {
width: 140px;
}
.bantuan-bottom img {
width: 140px;
}
.bantuan-top-2 img,
.bantuan-top-3 img {
width: 140px;
}
.bantuan-bottom-2 img,
.bantuan-bottom-3 img {
width: 140px;
}
.bantuan-element.clicked {
bottom: 9rem;
right: 2.5rem;
}
.bantuan-element.clicked img {
width: auto;
height: 64px;
}
}
@media (max-width: 767px) {
.bantuan-top {
bottom: 8rem;
right: 1rem;
align-items: center;
}
.bantuan-bottom {
bottom: 2rem;
right: 1.25rem;
align-items: center;
}
.bantuan-top-2 {
bottom: 12rem;
right: 1rem;
align-items: center;
}
.bantuan-top-3 {
bottom: 16rem;
right: 1rem;
align-items: center;
}
.bantuan-bottom-2 {
bottom: 5rem;
right: 1.25rem;
align-items: center;
}
.bantuan-bottom-3 {
bottom: 8rem;
right: 1.25rem;
align-items: center;
}
.bantuan-element img {
width: auto;
}
.bantuan-top img,
.bantuan-top-2 img,
.bantuan-top-3 img {
width: 96px;
}
.bantuan-bottom img,
.bantuan-bottom-2 img,
.bantuan-bottom-3 img {
width: 96px;
}
}
.bantuan-element:hover {
transform: scale(1.05);
}
.bantuan-element img {
max-width: 100%;
height: auto;
}
</style>
<div id="bantuan-divs-container" style="position: relative" data-product="ruangguru" data-table="rg_floating_icon"></div>
<script>
class FloatingDivsComponent {
constructor(product = 'ruangguru', table = 'rg_floating_icon') {
this.container = document.getElementById('bantuan-divs-container');
this.floatingElements = [];
this.product = product;
this.table = table;
// Configuration
this.config = {
baseApiUrl: 'https://gw.ruangguru.com/api/v3/rdb/p_ddgy8hjx5dxsqx/rg_banner/views/',
apiKey: 'vLyK3dJrDBRmOwueX2OJXibMkgsUbBk0WS4ua2p1',
maxElements: 2,
zIndexBase: 100,
};
// Build dynamic API URL based on table parameter
this.config.apiUrl = this.buildApiUrl();
this.init();
}
buildApiUrl() {
const baseUrl = this.config.baseApiUrl;
const tableName = this.table || 'rg_floating_icon';
const queryParams =
'offset=0&limit=99999&sort=rankPosition&where=(type,eq,floating)~and(showIn,anyof,blog)~and(hide,is,false)~and(product,eq,' +
this.product +
')&nested%5Bcta%5D%5Bfields%5D=Id,name,ctaId,imageUrl,ctaLink,targetUrl';
return `${baseUrl}${tableName}?${queryParams}`;
}
async init() {
try {
await this.fetchFloatingElements();
this.renderFloatingElements();
} catch (error) {
console.error('Failed to initialize floating divs component:', error);
}
}
async fetchFloatingElements() {
try {
const options = {
method: 'GET',
headers: {
'xc-token': this.config.apiKey || 'vLyK3dJrDBRmOwueX2OJXibMkgsUbBk0WS4ua2p1',
},
};
const urlNoco = this.config.apiUrl;
const response = await fetch(urlNoco, options);
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
const data = await response.json();
this.floatingElements = this.processApiResponse(data);
} catch (error) {
console.error('Error fetching floating elements:', error);
throw error;
}
}
processApiResponse(data) {
if (!data || !data.list || !Array.isArray(data.list)) {
return [];
}
console.log(data.list);
// Ensure we only get maximum 2 elements
const limitedElements = data.list.slice(0, this.config.maxElements);
return limitedElements;
}
renderFloatingElements() {
if (!this.container || this.floatingElements.length === 0) {
return;
}
// Additional safeguard: ensure we never render more than maxElements
const elementsToRender = this.floatingElements.slice(0, this.config.maxElements);
// Clean up existing elements and their event listeners
this.cleanupExistingElements();
// Clear existing content
this.container.innerHTML = '';
elementsToRender.forEach((element, index) => {
const floatingDiv = this.createFloatingDiv(element, index);
this.container.appendChild(floatingDiv);
});
}
cleanupExistingElements() {
// Clear existing elements (no need for event listener cleanup with CSS approach)
const existingElements = this.container.querySelectorAll('[data-floating-element]');
existingElements.forEach(element => {
element.remove();
});
}
createFloatingDiv(element, index) {
const div = document.createElement('div');
const cta = element.cta[0]; // Use the first CTA
// Add data attribute for cleanup tracking
div.setAttribute('data-floating-element', 'true');
// Apply CSS classes based on rankPosition
const positionClass = this.getPositionClass(element.rankPosition, index);
div.className = `bantuan-element ${positionClass}`;
div.style.zIndex = this.config.zIndexBase + index;
// Create the link and image
const link = document.createElement('a');
link.href = 'https://cta.ruangguru.com/' + cta.ctaId || '#';
link.target = '_blank';
// Add tracking attributes
link.setAttribute('data-tracking-event-type', 'landing_page__core__item_click');
link.setAttribute(
'data-tracking-context',
JSON.stringify({
product_name: this.product,
cta_action: 'redirection',
cta_action_detail: link.href,
item_type: 'floating',
item_name: element.name || 'Floating element',
item_category: 'payment',
item_position: index,
item_serial: null,
section_type: 'floating_item',
section_position: 'body',
section_name: 'floating_item',
})
);
const img = document.createElement('img');
img.src = element.imageUrl + '?h=200&convert=webp';
img.alt = element.name || 'Floating element';
img.loading = 'lazy';
// Add click tracking
link.addEventListener('click', () => {
this.trackClick(element, cta);
});
link.appendChild(img);
div.appendChild(link);
return div;
}
getPositionClass(rankPosition, index) {
// Define positioning classes based on rankPosition
if (rankPosition === 1) {
return 'bantuan-top'; // Top position
} else if (rankPosition === 2) {
return 'bantuan-bottom'; // Bottom position
} else {
// For additional elements, distribute them evenly
return `bantuan-${index % 2 === 0 ? 'top' : 'bottom'}-${Math.floor(index / 2) + 1}`;
}
}
trackClick(element, cta) {
// Implement click tracking logic here
console.log('Floating element clicked:', {
elementId: element.Id,
elementName: cta.name,
ctaId: cta.ctaId,
targetUrl: cta.targetUrl,
});
}
// Public method to manually refresh
async refresh() {
try {
await this.fetchFloatingElements();
this.renderFloatingElements();
} catch (error) {
console.error('Failed to refresh floating elements:', error);
throw error;
}
}
// Public method to get current floating elements
getFloatingElements() {
return [...this.floatingElements];
}
}
// Initialize the component when DOM is ready
document.addEventListener('DOMContentLoaded', () => {
// Get product and table parameters from data attributes
const container = document.getElementById('bantuan-divs-container');
const product = container.getAttribute('data-product') || 'ruangguru';
const table = container.getAttribute('data-table') || 'rg_floating_icon';
new FloatingDivsComponent(product, table);
});
// Export for use in other modules if needed
if (typeof module !== 'undefined' && module.exports) {
module.exports = FloatingDivsComponent;
}
</script> <div id="wp-install-nudge" style="
position: fixed;
bottom: 0rem;
right: 0;
z-index: 999;
cursor: pointer;
"></div>
<script>
(function (w, d, s, o, f, js, fjs) {
w['Sales-Nudge-Widget'] = o; w[o] = w[o] || function () { (w[o].q = w[o].q || []).push(arguments) };
js = d.createElement(s), fjs = d.getElementsByTagName(s)[0];
js.id = o; js.src = f; js.async = 1; fjs.parentNode.insertBefore(js, fjs);
}(window, document, 'script', 'wpInstallNudge', 'https://cdn-web-2.ruangguru.com/sales-nudge/6198a95130/dist/widget.js'));
wpInstallNudge('init', { targetElementId: 'wp-install-nudge', clientTarget: 'ruangguru_blog' });
</script>
<script>
// note: disabled due to auto reload page
// var lastScrollTop = 0;
// $(window).scroll(function(event){
// var st = $(this).scrollTop();
// if (st > lastScrollTop){
// $('#wp-install-nudge').slideDown( "slow", function() {});
// } else {
// $('#wp-install-nudge').slideUp( "slow", function() {});
// }
// lastScrollTop = st;
// });
// $(document).ready(function () {
// $("#wp-install-nudge").hide();
// });
$('#wp-install-nudge').click(function(){
Analytics.track("promotion__install_nudge__click",
{
user_email: "ruangguru@blog.com",
cta_link: widgetData.dataConfig.target_link
}).catch((err) => {
console.log("tracker error", err);
});
});
</script>
</footer>
<div id="__next"></div>
<script type="speculationrules">
{"prefetch":[{"source":"document","where":{"and":[{"href_matches":"\/blog\/*"},{"not":{"href_matches":["\/blog\/wp-*.php","\/blog\/wp-admin\/*","\/blog\/wp-content\/uploads\/*","\/blog\/wp-content\/*","\/blog\/wp-content\/plugins\/*","\/blog\/wp-content\/themes\/ruangguru\/*","\/blog\/*\\?(.+)"]}},{"not":{"selector_matches":"a[rel~=\"nofollow\"]"}},{"not":{"selector_matches":".no-prefetch, .no-prefetch a"}}]},"eagerness":"conservative"}]}
</script>
<script>
async function getCtaDetails(ctaIds) {
const endpoint =
" https://gw.ruangguru.com/api/v3/rdb/p_ddgy8hjx5dxsqx/CTA/views/CTA?offset=0&limit=10&where=(ctaId,in," + ctaIds.toString() + ")";
try {
const response = await fetch(endpoint, {
headers: {
"xc-token": "-hG2nBDJzSj0agSgNtcJx97M4F02y54nUMoY6plJ",
},
});
const data = await response.json();
const ctaList = data?.list || [];
const ctaMap = new Map();
for (const ctaData of ctaList) {
ctaMap.set(ctaData.ctaId, ctaData);
}
return ctaMap;
} catch (error) {
console.error("Error fetching CTA details:", error);
return new Map();
}
}
async function replaceCTA() {
const regex = /{{cta\((‘(.*?)’|“(.*?)”)\)}}/g;
const bodyHTML = document.body.innerHTML;
const matches = Array.from(bodyHTML.matchAll(regex));
const ctaIds = matches.map((match) => {
let ctaId = match[2] ?? match[3];
return ctaId;
});
const ctaMap = await getCtaDetails(ctaIds);
const replacedHTML = bodyHTML.replace(regex, (match, _inner, ctaId1, ctaId2) => {
const ctaId = ctaId1 ?? ctaId2;
const ctaData = ctaMap.get(ctaId);
if (ctaData) {
return `<a href="https://cta.ruangguru.com/${ctaData.ctaId}" target="_${ctaData.targetType}" style="position:relative;display:inline-block;">
<img src="${ctaData.imageUrl}" loading="lazy" alt="${ctaData.altText}" />
</a>`;
} else {
return match;
}
});
document.body.innerHTML = replacedHTML;
}
</script>
<meta name="author" content="Ruangguru Tech Team">
<!-- Google Tag Manager (noscript) -->
<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-PVNLZFT" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
<!-- Tracker -->
<script type="text/javascript" src="https://cdn-web-2.ruangguru.com/landing-page-web/public/staticpages/global-assets/js/cta.js"></script>
<script src="https://unpkg.com/@dotlottie/player-component@latest/dist/dotlottie-player.mjs" type="module"></script>
</body>
</html>