36/45 as a percentage is 80.00%. This is the rounded value you get when you express the fraction as a part of a whole.
The fraction 36/45 can be reduced to 4/5, which is a common way to see that it represents four out of five equal parts. Seeing it as a percentage makes it easy to compare with other numbers.
In everyday use, 80.00% can describe things like a test score, a discount, or the portion of a project that’s finished. It’s a clear, simple way to show that most of the whole is covered.
