48/90 as a percentage is 53.33%. This rounded figure tells you that the fraction is just over half of a whole.
The fraction 48/90 can be simplified to 8/15, which still represents the same part of a whole. Whether you look at it as 48 out of 90 pieces or 8 out of 15, the value stays the same.
Knowing the percentage makes it easy to compare with other numbers, like test scores or discounts. A value of 53.33% means a little more than five‑tenths of whatever you’re measuring.
