What is 64/80 as a percentage? It is 80.00%. The fraction 64/80 represents a value that is exactly eighty percent when expressed as a percent.
The fraction can be simplified to 4⁄5, which is a common way to see the same proportion in a smaller form. Whether you write it as 64⁄80, 4⁄5, or 80.00%, the meaning stays the same: four parts out of five.
In everyday life this percentage shows up in things like test scores, discounts, and statistics. If you score 64 out of 80 on a quiz, you’ve earned an 80.00% mark—clear and easy to understand.