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Last updated on 5 August 2025

7 out of 21 as a Percentage

Professor Greenline Explaining Math Concepts

Numbers can be expressed in various forms, such as fractions, decimals, and percentages. Percentage is a way of expressing a number as a fraction of 100. It is often used to compare proportions and describe how large or small one quantity is relative to another. For example, if we want to express 7 out of 21 as a percentage, we will learn how to convert a fraction into a percentage.

7 out of 21 as a Percentage for Australian Students
Professor Greenline from BrightChamps

What is 7 out of 21 as a Percentage?

7 out of 21 as a percentage

Answer

 

The answer for 7 out of 21 as a percentage is approximately 33.33%.

 

Explanation

 

Converting a fraction to a percentage is a straightforward task. You can follow the steps mentioned below to find the answer.

 

Step 1: Firstly, understand the fraction 7/21. To find the percentage, divide the numerator by the denominator and then multiply by 100. 7/21 × 100 = 33.33

 

Step 2: Simplify the fraction if necessary. In this case, 7 and 21 have a common factor of 7, so 7/21 simplifies to 1/3.

 

Step 3: Multiply the simplified fraction by 100 to convert it to a percentage. 1/3 × 100 = 33.33

 

Thus, 7 out of 21 can be expressed as approximately 33.33%.

Professor Greenline from BrightChamps

Important Glossaries for 7 out of 21 as a Percentage

  • Fraction: A way to represent a part of a whole, expressed as a ratio of two numbers.

 

  • Percentage: A fraction or ratio expressed as part of 100, used to compare sizes relative to each other.

 

  • Numerator: The top part of a fraction, representing the number of parts considered.

 

  • Denominator: The bottom part of a fraction, indicating the total number of equal parts.

 

  • Simplification: The process of reducing a fraction to its simplest form by dividing the numerator and the denominator by their greatest common divisor.
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