The fraction 25/55 expressed as a percentage is 45.45%. This rounded figure tells you how much of a whole the fraction represents in everyday terms.
If you simplify 25/55, you get 5/11, which is a more compact way to write the same value. Both forms point to the same proportion of the whole, just shown differently.
Seeing the percentage makes it easy to compare with other numbers, like test scores or discounts. Knowing that 25/55 is about 45.45% helps you quickly judge how large or small it is in everyday situations.