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2026-01-01
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<p>256 Learners</p>
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<p>Last updated on<strong>August 5, 2025</strong></p>
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<p>Last updated on<strong>August 5, 2025</strong></p>
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<p>Roman numerals are a way of expressing numbers using symbols. I, V, X, L, C, D, and M are the symbols we use. Roman numerals are used in royal titles, book names, sequences, and so on. Here we will be discussing Roman numerals, rules, and examples.</p>
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<p>Roman numerals are a way of expressing numbers using symbols. I, V, X, L, C, D, and M are the symbols we use. Roman numerals are used in royal titles, book names, sequences, and so on. Here we will be discussing Roman numerals, rules, and examples.</p>
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<h2>What is 387 in Roman Numerals?</h2>
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<h2>What is 387 in Roman Numerals?</h2>
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<p>The royal titles, such as Henry I, Henry II, and so on, often use Roman numerals. Have you noticed these<a>symbols</a>and wondered what they represent? Those are Roman numerals.</p>
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<p>The royal titles, such as Henry I, Henry II, and so on, often use Roman numerals. Have you noticed these<a>symbols</a>and wondered what they represent? Those are Roman numerals.</p>
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<p>Earlier, people used fingers, sticks, bones, etc., to count. As life became complex, a<a>standard form</a>was required for counting. Ancient Romans used the Roman numeral system to count. I (1), V (5), X (10), L (50), C (100), D (500), and M (1000) are the symbols we use.</p>
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<p>Earlier, people used fingers, sticks, bones, etc., to count. As life became complex, a<a>standard form</a>was required for counting. Ancient Romans used the Roman numeral system to count. I (1), V (5), X (10), L (50), C (100), D (500), and M (1000) are the symbols we use.</p>
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<p>In Roman numerals, we use CCCLXXXVII to represent 387, where C is 100, L is 50, XXX is 30, V is 5, and II is 2. Let’s learn more about Roman numerals and how we write them.</p>
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<p>In Roman numerals, we use CCCLXXXVII to represent 387, where C is 100, L is 50, XXX is 30, V is 5, and II is 2. Let’s learn more about Roman numerals and how we write them.</p>
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<h2>Basic Rules for 387 in Roman Numerals</h2>
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<h2>Basic Rules for 387 in Roman Numerals</h2>
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<p>There are certain basic rules to write a<a>number</a>in Roman numerals. In this section, let’s discuss some basic rules that need to be remembered when writing a number in Roman numerals.</p>
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<p>There are certain basic rules to write a<a>number</a>in Roman numerals. In this section, let’s discuss some basic rules that need to be remembered when writing a number in Roman numerals.</p>
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<p><strong>Rule 1: Addition Method</strong></p>
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<p><strong>Rule 1: Addition Method</strong></p>
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<p>The<a>addition</a>method is used when a smaller number is placed after a larger number. For example, CCCLXXXVII → C + C + C + L + X + X + X + V + I + I → 100 + 100 + 100 + 50 + 10 + 10 + 10 + 5 + 1 + 1 = 387.</p>
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<p>The<a>addition</a>method is used when a smaller number is placed after a larger number. For example, CCCLXXXVII → C + C + C + L + X + X + X + V + I + I → 100 + 100 + 100 + 50 + 10 + 10 + 10 + 5 + 1 + 1 = 387.</p>
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<p><strong>Rule 2: Repetition Method</strong></p>
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<p><strong>Rule 2: Repetition Method</strong></p>
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<p>To write a large number, certain Roman numerals can be repeated up to three times. For example, CCC → 300.</p>
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<p>To write a large number, certain Roman numerals can be repeated up to three times. For example, CCC → 300.</p>
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<p><strong>Rule 3: Subtraction Method</strong></p>
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<p><strong>Rule 3: Subtraction Method</strong></p>
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<p>If a smaller number is followed by a larger number in Roman numerals, we subtract the smaller number from the larger one. For example, XL → L - X → 50 - 10 = 40.</p>
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<p>If a smaller number is followed by a larger number in Roman numerals, we subtract the smaller number from the larger one. For example, XL → L - X → 50 - 10 = 40.</p>
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<p><strong>Rule 4: Limitation Rule</strong></p>
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<p><strong>Rule 4: Limitation Rule</strong></p>
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<p>Symbols cannot be repeated more than three times, and some symbols like V, L, and D cannot be repeated. For example, we won't write LXXVV for 100; instead, we use C.</p>
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<p>Symbols cannot be repeated more than three times, and some symbols like V, L, and D cannot be repeated. For example, we won't write LXXVV for 100; instead, we use C.</p>
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<h2>How to Write 387 in Roman Numerals</h2>
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<h2>How to Write 387 in Roman Numerals</h2>
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<p>Let’s now learn how to write 387 in Roman numerals. Follow these methods to write the number in Roman numerals.</p>
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<p>Let’s now learn how to write 387 in Roman numerals. Follow these methods to write the number in Roman numerals.</p>
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<ul><li>By Expansion Method</li>
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<ul><li>By Expansion Method</li>
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<li>By Grouping Method</li>
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<li>By Grouping Method</li>
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<h2>387 in Roman Numerals by Expansion Method</h2>
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<h2>387 in Roman Numerals by Expansion Method</h2>
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<p>In the expansion method, based on the<a>place value</a>, the number is broken down. In this section, we will learn how to write 387 in Roman numerals using the expansion method.</p>
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<p>In the expansion method, based on the<a>place value</a>, the number is broken down. In this section, we will learn how to write 387 in Roman numerals using the expansion method.</p>
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<p>To write 387 in Roman Numerals, follow the steps:</p>
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<p>To write 387 in Roman Numerals, follow the steps:</p>
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<p><strong>Step 1:</strong>Break the number based on place value: hundred, tens, and ones.</p>
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<p><strong>Step 1:</strong>Break the number based on place value: hundred, tens, and ones.</p>
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<p>For 387, we write it as 300 + 80 + 7.</p>
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<p>For 387, we write it as 300 + 80 + 7.</p>
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<p><strong>Step 2:</strong>Convert each number into Roman numerals:</p>
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<p><strong>Step 2:</strong>Convert each number into Roman numerals:</p>
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<p> 300 in Roman Numerals - CCC 80 in Roman Numerals - LXXX 7 in Roman Numerals - VII</p>
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<p> 300 in Roman Numerals - CCC 80 in Roman Numerals - LXXX 7 in Roman Numerals - VII</p>
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<p><strong>Step 3:</strong>Combine the Roman numerals together.</p>
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<p><strong>Step 3:</strong>Combine the Roman numerals together.</p>
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<p>Therefore, 387 in Roman Numerals is CCC (300) + LXXX (80) + VII (7) = CCCLXXXVII.</p>
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<p>Therefore, 387 in Roman Numerals is CCC (300) + LXXX (80) + VII (7) = CCCLXXXVII.</p>
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<h2>387 in Roman Numerals by Grouping Method</h2>
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<h2>387 in Roman Numerals by Grouping Method</h2>
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<p>When writing a large number in Roman numerals, we group the numbers. </p>
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<p>When writing a large number in Roman numerals, we group the numbers. </p>
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<p>To write 387 in Roman Numerals, we group 387 as 300 + 80 + 7:</p>
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<p>To write 387 in Roman Numerals, we group 387 as 300 + 80 + 7:</p>
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<p> 300 in Roman Numerals - CCC 80 in Roman Numerals - LXXX 7 in Roman Numerals - VII</p>
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<p> 300 in Roman Numerals - CCC 80 in Roman Numerals - LXXX 7 in Roman Numerals - VII</p>
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<p>So, 387 is written as CCCLXXXVII in Roman numerals.</p>
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<p>So, 387 is written as CCCLXXXVII in Roman numerals.</p>
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<h2>Common Mistakes and How to Avoid Them in 387 Roman Numerals</h2>
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<h2>Common Mistakes and How to Avoid Them in 387 Roman Numerals</h2>
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<p>Students make mistakes when writing a number in Roman numerals. To master Roman numerals, we can learn a few common mistakes and ways to avoid them.</p>
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<p>Students make mistakes when writing a number in Roman numerals. To master Roman numerals, we can learn a few common mistakes and ways to avoid them.</p>
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<h3>Problem 1</h3>
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<h3>Problem 1</h3>
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<p>A historian finds a scroll that mentions the construction of a building in the year CCCLXXVII. If the building was renovated 10 years later, in what year did the renovation occur?</p>
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<p>A historian finds a scroll that mentions the construction of a building in the year CCCLXXVII. If the building was renovated 10 years later, in what year did the renovation occur?</p>
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<p>Okay, lets begin</p>
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<p>Okay, lets begin</p>
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<p>The renovation occurred in the year CCCLXXXVII.</p>
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<p>The renovation occurred in the year CCCLXXXVII.</p>
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<h3>Explanation</h3>
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<h3>Explanation</h3>
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<p>The original construction year is CCCLXXVII, which is 377 in modern numbers. Adding 10 years gives us 377 + 10 = 387. </p>
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<p>The original construction year is CCCLXXVII, which is 377 in modern numbers. Adding 10 years gives us 377 + 10 = 387. </p>
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<p>387 in Roman Numerals is CCCLXXXVII.</p>
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<p>387 in Roman Numerals is CCCLXXXVII.</p>
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<p>Well explained 👍</p>
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<p>Well explained 👍</p>
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<h3>Problem 2</h3>
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<h3>Problem 2</h3>
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<p>An artist is creating a mosaic using CCCLXXXVII tiles in total, arranged in XIII rows. How many tiles will each row contain?</p>
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<p>An artist is creating a mosaic using CCCLXXXVII tiles in total, arranged in XIII rows. How many tiles will each row contain?</p>
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<p>Okay, lets begin</p>
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<p>Okay, lets begin</p>
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<p>Each row will contain XXIX tiles.</p>
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<p>Each row will contain XXIX tiles.</p>
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<h3>Explanation</h3>
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<h3>Explanation</h3>
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<p>To find the number of tiles per row, divide the total number of tiles by the number of rows: </p>
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<p>To find the number of tiles per row, divide the total number of tiles by the number of rows: </p>
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<p>CCCLXXXVII / XIII </p>
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<p>CCCLXXXVII / XIII </p>
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<p>CCCLXXXVII = 387 </p>
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<p>CCCLXXXVII = 387 </p>
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<p>XIII = 13 </p>
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<p>XIII = 13 </p>
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<p>387 / 13 = 29 </p>
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<p>387 / 13 = 29 </p>
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<p>29 in Roman Numerals is XXIX.</p>
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<p>29 in Roman Numerals is XXIX.</p>
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<p>Well explained 👍</p>
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<p>Well explained 👍</p>
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<h3>Problem 3</h3>
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<h3>Problem 3</h3>
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<p>Calculate the sum of CL and CCXXXVII.</p>
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<p>Calculate the sum of CL and CCXXXVII.</p>
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<p>Okay, lets begin</p>
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<p>Okay, lets begin</p>
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<p>The sum of CL and CCXXXVII is CCCLXXXVII.</p>
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<p>The sum of CL and CCXXXVII is CCCLXXXVII.</p>
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<h3>Explanation</h3>
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<h3>Explanation</h3>
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<p>Sum is the result of adding two numbers. </p>
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<p>Sum is the result of adding two numbers. </p>
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<p>CL = 150 </p>
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<p>CL = 150 </p>
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<p>CCXXXVII = 237 </p>
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<p>CCXXXVII = 237 </p>
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<p>150 + 237 = 387 </p>
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<p>150 + 237 = 387 </p>
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<p>387 in Roman Numerals is CCCLXXXVII.</p>
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<p>387 in Roman Numerals is CCCLXXXVII.</p>
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<p>Well explained 👍</p>
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<p>Well explained 👍</p>
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<h3>Problem 4</h3>
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<h3>Problem 4</h3>
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<p>What is the difference between CD and CCCLXXXVII?</p>
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<p>What is the difference between CD and CCCLXXXVII?</p>
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<p>Okay, lets begin</p>
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<p>Okay, lets begin</p>
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<p>The difference between CD and CCCLXXXVII is XIII.</p>
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<p>The difference between CD and CCCLXXXVII is XIII.</p>
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<h3>Explanation</h3>
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<h3>Explanation</h3>
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<p>The difference of two numbers is the value obtained by subtracting one from the other. </p>
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<p>The difference of two numbers is the value obtained by subtracting one from the other. </p>
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<p>CD = 400 </p>
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<p>CD = 400 </p>
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<p>CCCLXXXVII = 387 </p>
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<p>CCCLXXXVII = 387 </p>
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<p>400 - 387 = 13 </p>
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<p>400 - 387 = 13 </p>
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<p>13 in Roman Numerals is XIII.</p>
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<p>13 in Roman Numerals is XIII.</p>
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<p>Well explained 👍</p>
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<p>Well explained 👍</p>
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<h3>Problem 5</h3>
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<h3>Problem 5</h3>
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<p>Write the Roman Numeral for 300 + 87 using the expansion method.</p>
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<p>Write the Roman Numeral for 300 + 87 using the expansion method.</p>
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<p>Okay, lets begin</p>
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<p>Okay, lets begin</p>
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<p>The Roman Numeral for 300 + 87 is CCCLXXXVII.</p>
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<p>The Roman Numeral for 300 + 87 is CCCLXXXVII.</p>
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<h3>Explanation</h3>
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<h3>Explanation</h3>
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<p>Step 1: Convert the numbers 300 and 87 into Roman Numerals</p>
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<p>Step 1: Convert the numbers 300 and 87 into Roman Numerals</p>
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<p> 300 = CCC </p>
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<p> 300 = CCC </p>
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<p>87 = LXXXVII </p>
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<p>87 = LXXXVII </p>
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<p>Add the numbers together: 300 + 87 = 387 </p>
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<p>Add the numbers together: 300 + 87 = 387 </p>
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<p>Using the expansion method: 387 = 300 + 87 = CCC + LXXXVII = CCCLXXXVII.</p>
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<p>Using the expansion method: 387 = 300 + 87 = CCC + LXXXVII = CCCLXXXVII.</p>
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<p>Well explained 👍</p>
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<p>Well explained 👍</p>
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<h2>FAQs on 387 in Roman Numerals</h2>
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<h2>FAQs on 387 in Roman Numerals</h2>
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<h3>1.What is 90 in Roman numerals?</h3>
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<h3>1.What is 90 in Roman numerals?</h3>
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<p>XC is 90, as it involves the subtraction method with X (10) before C (100), making it 100 - 10 = 90.</p>
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<p>XC is 90, as it involves the subtraction method with X (10) before C (100), making it 100 - 10 = 90.</p>
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<h3>2.How to write 387 in Roman numerals?</h3>
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<h3>2.How to write 387 in Roman numerals?</h3>
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<p>Here, larger numbers are followed by smaller ones, so we use the addition method.</p>
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<p>Here, larger numbers are followed by smaller ones, so we use the addition method.</p>
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<p>CCC (300) + LXXX (80) + VII (7) = 387. So, CCCLXXXVII is 387.</p>
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<p>CCC (300) + LXXX (80) + VII (7) = 387. So, CCCLXXXVII is 387.</p>
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<h3>3.What is 400 in Roman Numerals?</h3>
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<h3>3.What is 400 in Roman Numerals?</h3>
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<p>400 in Roman Numerals is written as CD.</p>
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<p>400 in Roman Numerals is written as CD.</p>
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<h3>4.Is CCCLXXXVII a prime number?</h3>
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<h3>4.Is CCCLXXXVII a prime number?</h3>
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<h3>5.What are the multiples of 387?</h3>
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<h3>5.What are the multiples of 387?</h3>
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<p>The<a>multiples</a>of 387 are 387, 774, 1161, 1548, and so on.</p>
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<p>The<a>multiples</a>of 387 are 387, 774, 1161, 1548, and so on.</p>
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<h2>Important Glossaries for 387 in Roman Numerals</h2>
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<h2>Important Glossaries for 387 in Roman Numerals</h2>
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<ul><li><strong>Addition rule:</strong>The addition method is used when a large number is followed by a smaller numeral; here, the values are added. For example, CCCLXXXVII = CCC + LXXX + VII = 387.</li>
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<ul><li><strong>Addition rule:</strong>The addition method is used when a large number is followed by a smaller numeral; here, the values are added. For example, CCCLXXXVII = CCC + LXXX + VII = 387.</li>
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</ul><ul><li><strong>Grouping method:</strong>Here, numbers are grouped based on place value and then converted into Roman numerals. For example, 387 = 300 + 80 + 7 = CCCLXXXVII.</li>
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</ul><ul><li><strong>Grouping method:</strong>Here, numbers are grouped based on place value and then converted into Roman numerals. For example, 387 = 300 + 80 + 7 = CCCLXXXVII.</li>
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</ul><ul><li><strong>Repetition rule:</strong>Certain symbols (I, X, C, M) can be repeated up to three times. For example, CCC = 300 (C is repeated three times to represent the number 300).</li>
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</ul><ul><li><strong>Repetition rule:</strong>Certain symbols (I, X, C, M) can be repeated up to three times. For example, CCC = 300 (C is repeated three times to represent the number 300).</li>
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</ul><ul><li><strong>Subtraction method:</strong>Used when a smaller number precedes a larger one, indicating subtraction. For example, XC = X(10) - C(100) = 90.</li>
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</ul><ul><li><strong>Subtraction method:</strong>Used when a smaller number precedes a larger one, indicating subtraction. For example, XC = X(10) - C(100) = 90.</li>
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</ul><ul><li><strong>Limitation rule:</strong>Some symbols like V, L, and D cannot be repeated. For example, 50 is L, not LL.</li>
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</ul><ul><li><strong>Limitation rule:</strong>Some symbols like V, L, and D cannot be repeated. For example, 50 is L, not LL.</li>
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</ul><p>What Are Numbers? 🔢 | Fun Explanation with 🎯 Real-Life Examples for Kids | ✨BrightCHAMPS Math</p>
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</ul><p>What Are Numbers? 🔢 | Fun Explanation with 🎯 Real-Life Examples for Kids | ✨BrightCHAMPS Math</p>
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<h2>Hiralee Lalitkumar Makwana</h2>
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<h2>Hiralee Lalitkumar Makwana</h2>
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<h3>About the Author</h3>
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<h3>About the Author</h3>
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<p>Hiralee Lalitkumar Makwana has almost two years of teaching experience. She is a number ninja as she loves numbers. Her interest in numbers can be seen in the way she cracks math puzzles and hidden patterns.</p>
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<p>Hiralee Lalitkumar Makwana has almost two years of teaching experience. She is a number ninja as she loves numbers. Her interest in numbers can be seen in the way she cracks math puzzles and hidden patterns.</p>
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<h3>Fun Fact</h3>
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<h3>Fun Fact</h3>
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<p>: She loves to read number jokes and games.</p>
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<p>: She loves to read number jokes and games.</p>