75/90 as a percentage is 83.33%. This value comes from simplifying the fraction and expressing it in a form that’s easy to compare with other percentages.
The fraction 75/90 can also be reduced to 5/6, which shows that it’s a little less than a whole. When you look at it as a percentage, the 83.33% tells you that the part is just over four‑fifths of the whole.
In everyday use, you might see this percentage on a test score, a discount, or a progress bar. It’s a handy way to understand how large a portion 75 out of 90 really is.