What is 21/57 as a percentage? It comes out to 36.84% when rounded to two decimal places.
The fraction 21/57 can be simplified by dividing both numbers by 3, which gives 7/19. Even though it looks a bit odd, the value stays the same, and the percentage we calculated reflects that same value in a different form.
Knowing the percentage is useful for quick comparisons. For example, if you scored 21 out of 57 points on a test, you earned 36.84% of the total points, which helps you see how much improvement might be needed.
