The fraction 63/81 as a percentage is 77.78%. This value tells you how much of a whole the fraction represents when you think in terms of hundredths.
If you simplify 63/81, you get 7/9. That shows the fraction is a bit less than one whole, which matches the percentage being under 100 %. It’s a handy way to see the size of the part compared to the whole.
In everyday situations, you might use this percentage to describe things like test scores, discounts, or any scenario where you need to convert a part of something into a familiar “out of 100” format. It’s quick to read and easy to compare with other percentages.