21/44 as a percentage is 47.73%. This number shows how much of a whole the fraction represents when we look at it in terms of hundredths. It’s a handy way to compare the fraction to other values that are already expressed as percentages.
The fraction 21/44 can also be written as a decimal, which is approximately 0.4773. Seeing it as a decimal helps us understand why the percentage is close to 48%, because moving the decimal point two places to the right gives the percent value.
When you work with fractions like 21/44 in everyday problems—such as calculating a portion of a budget or measuring a recipe—the percentage form (47.73%) is often easier to communicate. It tells you that the fraction is just under half of the whole, making it clear at a glance.