72/80 as a percentage is 90.00%. This number tells you that the fraction represents nine‑tenths of a whole, which is a common way to see how close something is to being complete.
The fraction 72/80 can be simplified to 9/10, which makes it easy to understand that it’s just a little short of the full 100 %. Seeing it as a percentage makes the size of the part clear at a glance.
Percentages like 90.00% are useful in everyday situations—grading tests, measuring discounts, or tracking progress. Knowing the simple relationship between a fraction and its percentage helps you communicate numbers quickly and accurately.
