55/63 expressed as a percentage is 87.30%. This number tells you how much of a whole the fraction represents when you think in terms of hundredths. It’s a handy way to compare the fraction to other values that are already in percent form.
The fraction 55/63 is already in its simplest form, and it sits just a bit below the whole number 1 (or 100%). Because it’s close to 1, the percentage is also close to 100%, but a little lower, which matches the 87.30% you see.
When you need to communicate how big 55/63 is in everyday language—like in a report, a grade, or a sales figure—using 87.30% makes it instantly clear. It’s a quick, familiar way to show the size of the portion without dealing with fractions.