What is 36/45 as a percentage? It is 80.00%. This fraction simplifies to 4/5, which is the same as eighty percent when written as a percent.
The fraction 36/45 reduces to 4/5 because both numbers share a common factor of 9. Seeing it as 4 out of 5 parts helps you picture the size of the portion—four pieces out of a total of five.
In everyday life, you might use this percentage when you see a discount, a test score, or any situation where something is four‑fifths of the whole. It’s a quick way to understand that something is close to, but not quite, a full 100 %.
