25 in Roman Numerals
2026-02-28 10:28 Diff
https://brightchamps.com/en-us/math/numbers/25-in-roman-numerals

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Last updated on August 5, 2025

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 discuss Roman Numerals, rules, and examples.

What is 25 in Roman Numerals?

The royal titles, such as Henry I, Henry II, and so on, have you noticed the names and wondered what these symbols (I and II) represented? Those are the Roman Numerals. Earlier people used to count using fingers, sticks, bones, etc. When life became complex, a standard form was required to count. 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 to count.

In Roman Numerals, we use XXV to represent 25, where XX is 20, and V is 5. Let’s learn more about Roman numerals and how we write them.
 

Basic Rules for 25 in Roman Numerals

There are certain basic rules to write a number in Roman Numerals. In this section, let’s discuss some basic rules that need to be remembered when writing a number in Roman numerals.
 

Rule 1: Addition Method

The addition method is used when the smaller number is placed after the larger number; then it is the addition method. For example, XXV → XX + V → 20 + 5 = 25.

Rule 2: Repetition Method

To write a large number, there are certain Roman Numerals that can be repeated up to three times. III → 3.
 

Rule 3: Subtraction Method

If a small number is followed by a large number in Roman Numerals, we subtract the smaller number from the large number; it is a subtraction method. For example, IX → X - I → 10 - 1 = 9.
 

Rule 4: Limitation Rule

The 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 VV for 10; instead, we use X, and for 8, we write VIII, not IIIIIIII.
 

How to Write 25 in Roman Numerals

Let’s now learn how to write 25 in Roman Numerals. Follow these methods to write the number in Roman Numerals.

  • By Expansion Method
  • By Grouping Method
     

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25 in Roman Numeral by Expansion Method

In the expansion method, based on the place value, the number is broken down. In this section, we will learn how to write 25 in Roman numerals using the expansion method.

To write 25 in Roman Numerals, follow the steps:

Step 1: Break the number based on the place value. Place value that is ones, tens, hundreds, etc.

For 25, we write it as 20 + 5.


Step 2: Convert the numbers into Roman Numerals.


20 in Roman Numeral — XX


5 in Roman Numeral — V


Step 3: Combine the Roman Numerals together.


Therefore, 25 in Roman Numeral is XX (20) + V (5) = XXV.
 

25 in Roman Numeral by Grouping Method

When writing a large number into Roman Numeral, we group the number. To write 25 in Roman Numeral, we group 25 as 20 + 5.

20 in Roman Numeral — XX

5 in Roman Numeral — V


So, 25 is written as XXV in Roman Numerals.
 

Common Mistakes and How to Avoid Them in 25 Roman Numerals

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.

Problem 1

A historian finds an ancient scroll that mentions the number of days a festival lasted, represented as XXV. If each day had a unique event, how many events were there in total?

Okay, lets begin

The number of events in total is 25.

Explanation

The Roman numeral XXV represents the number 25. Therefore, there were 25 unique events, one for each day of the festival.

Well explained 👍

Problem 2

A museum has XXV artifacts from the Roman Empire. If they decide to display them in V different rooms equally, how many artifacts will each room have?

Okay, lets begin

Each room will have V artifacts.

Explanation

To find how many artifacts each room will have, we divide the total number of artifacts by the number of rooms.

XXV = 25

V = 5

Therefore, 25 / 5 = 5.


5 in Roman numerals is V.
 

Well explained 👍

Problem 3

An ancient manuscript mentions two armies: one with soldiers represented as L and another with XXV. What is the total number of soldiers when the two armies are combined?

Okay, lets begin

The total number of soldiers is LXXV.
 

Explanation

The sum of the two armies is the total count of soldiers.

L = 50
XXV = 25
50 + 25 = 75

75 in Roman numerals is LXXV.

Well explained 👍

Problem 4

A teacher writes the Roman numerals XXV and X on the board. She asks the students to find the difference in their values. What is the result?

Okay, lets begin

The difference is XV.

Explanation

The difference of two numbers is the result of subtracting one number from the other.

XXV = 25
X = 10
25 - 10 = 15

15 in Roman numerals is XV.

Well explained 👍

Problem 5

Convert the sum of the Roman numerals XV and X into its equivalent value using the expansion method.

Okay, lets begin

The Roman numeral for XV + X is XXV.
 

Explanation

First, convert the numbers XV and X into their respective values:

XV = 15
X = 10

Add the numbers together: 15 + 10 = 25


Using the expansion method: 25 = 20 + 5 = XXV.
 

Well explained 👍

FAQs on 25 in Roman Numerals

1.What is 9 in Roman numerals?

IX is 9, as it has smaller numbers following larger ones using the subtraction method. That is I - X, which is 10 - 1 = 9.

2.How to write 25 in Roman numerals?

In 25, larger numbers are followed by smaller ones, so we use the addition method. That is XX(20) + V(5) = 25. So, XXV is 25.
 

3.What is 30 in Roman Numerals?

30 in Roman Numerals is written as XXX.
 

4.Is XXV a prime number?

5.What are the multiples of 25?

The multiples of 25 are 25, 50, 75, 100, and so on.

Important Glossaries for 25 in Roman Numerals

  • Addition rule: The addition method is used when a large number is followed by a smaller numeral; here, the values are added. For example, XXV = XX + V = 20 + 5 = 25.
     
  • Grouping method: Here, the given numbers are grouped based on their place value, and then we convert each group into its Roman numerals. For example, 25 = 20 + 5 = XXV.
     
  • Repetition rule: Certain symbols (I, X, C, M) in the Roman numeric system can be repeated only up to three times. For example, XXX = 30 (X is repeated three times to represent the number 30).
     
  • Subtraction rule: This rule is used when a smaller numeral precedes a larger numeral, indicating that the smaller numeral should be subtracted from the larger one. For example, IX = 10 - 1 = 9.
     
  • Place value: Roman numerals do not have a place value system like Arabic numerals, but they do have significant digits that dictate how they are read and combined. For example, in XXV, the first X is the tens place, and V is the units place.
     

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Hiralee Lalitkumar Makwana

About the Author

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.

Fun Fact

: She loves to read number jokes and games.