55/75 as a percentage is 73.33%. This means that if you had 75 equal parts of something, 55 of those parts would make up about three‑quarters of the whole.
The fraction 55/75 can be simplified by dividing both the numerator and denominator by 5, giving 11/15. Even though the numbers get smaller, the value stays the same, so it still corresponds to the same 73.33% when expressed as a percent.
Seeing the percentage helps put the fraction into everyday terms. For example, if you scored 55 out of 75 on a test, you effectively earned about 73% of the possible points.
In practical situations, using the percentage form often makes it easier to compare results with other scores, budgets, or measurements that are already expressed as percentages.