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Last updated on May 26th, 2025

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15/21 as a Percentage

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Numbers can be categorized into different types. Percentage is one such type. It represents a fraction of 100. Fractions are represented in the form of p/q, where p is the numerator and q is the denominator. Percentages are commonly used to compare ratios. For example, to convert fractions to percentages, we use multiplication by 100. In this guide, we are going to learn how to convert a fraction to a percentage.

15/21 as a Percentage for Indonesian Students
Professor Greenline from BrightChamps

What is 15/21 as a Percentage?

15/21 as a percentage

 

Answer

 

The answer for 15/21 as a percentage is approximately 71.43%.

 

Explanation

 

Converting a fraction to a percentage is a straightforward process that can be done easily by following the steps below.

 

Step 1: Start by dividing the numerator by the denominator to get the decimal form. Here, 15 divided by 21 equals approximately 0.7143.

 

Step 2: To convert the decimal to a percentage, multiply it by 100. 0.7143 × 100 = 71.43

 

Step 3: Therefore, 15/21 as a percentage is approximately 71.43%.

 

Thus, 15/21 can be expressed as approximately 71.43% when converted to a percentage.

Professor Greenline from BrightChamps

Important Glossaries for 15/21 as a Percentage

  • Percentage: A way of expressing a number as a fraction of 100.

 

  • Fraction: A numerical representation of a part of a whole expressed as p/q.

 

  • Numerator: The top part of a fraction, indicating how many parts of the whole are being considered.

 

  • Denominator: The bottom part of a fraction, showing how many parts make up a whole.

 

  • Decimal: A number that includes a decimal point to separate the whole part from the fractional part.
Professor Greenline from BrightChamps

About BrightChamps in Indonesia

At BrightChamps, we know math questions are more than just problems—they unlock countless possibilities! We strive to help kids throughout Indonesia master essential math skills, with a focus today on the 15/21 as a Percentage and percentage conversions—in an engaging, enjoyable, and easy-to-understand way. Whether your child is working out the speed of a roller coaster at Dunia Fantasi, tracking scores at a badminton game, or managing their allowance to buy new gadgets, strong math skills build everyday confidence. Our hands-on lessons make learning fun and accessible. Understanding that children in Indonesia have diverse learning styles, we tailor lessons to fit each child. From Jakarta’s busy streets to Bali’s beautiful beaches, BrightChamps makes math relatable and exciting across Indonesia. Let’s make percentage conversions an enjoyable part of your child’s learning!
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