57/63 as a percentage is 90.48%. This fraction is close to one whole, which means it represents a large portion of any total you might compare it to.
The fraction 57/63 can be reduced to its simplest form, 19/21, showing that the numbers share a common factor. Whether you write it as a fraction or a percentage, it still tells you that the value is just a little under 100%.
In everyday situations, a result of 90.48% might be used to describe test scores, success rates, or any scenario where you want to express a high but not perfect proportion. It’s a quick way to see how big a part the numerator is of the denominator.