72/80 as a percentage is 90.00%. This tells you that the fraction represents nine‑tenths of a whole, which is just a little under a full 100 %.
The fraction 72/80 can be simplified by dividing both numbers by their greatest common divisor, 8, giving 9/10. Seeing it as 9 out of 10 parts makes it easy to understand why the percentage is so close to 100 %.
In everyday life, you might see this kind of number when something is almost completely completed, like a test score of 72 correct answers out of 80 questions. It’s a quick way to show high performance without using a raw fraction.
