The fraction 75/80 is equal to 93.75% when expressed as a percentage. This high percentage shows that the value is very close to a whole.
In simplest terms, 75/80 can be reduced to 15/16, which still represents the same proportion of 93.75% of a whole. It’s a useful way to see just how much of something is being taken or achieved.
If you earned 75 points out of a possible 80 on a quiz, you would have scored 93.75%. That kind of score usually translates to an A‑grade in most school systems.