55/63 expressed as a percentage is 87.30%. This value shows how close the fraction comes to a whole number when you think of it in terms of parts per hundred.
The fraction 55/63 can be thought of as 55 pieces out of a total of 63 equal parts. When you compare it to a full set of 100 parts, it occupies about 87.30 of those parts.
In everyday terms, if you had 63 items and you kept 55 of them, you would have kept roughly 87 out of every 100 items. That helps you see the size of the fraction in a more familiar way.
Knowing the percentage makes it easier to compare 55/63 with other numbers, especially when dealing with grades, discounts, or any situation that uses percent values.