33/57 as a percentage is 57.89%. This number tells you how much of a whole the fraction represents when you look at it in terms of hundredths.
The fraction 33/57 can be reduced to its simplest form, which is 11/19. Even though the numbers are smaller, the value stays the same, and it still corresponds to the same percentage.
Knowing the percentage makes it easier to compare this part of a whole with other percentages you might see in everyday situations, like discounts, test scores, or survey results. It gives a quick, clear picture of how big the share is.