45/80 as a percentage is 56.25%. This value tells you that the fraction represents a little more than half of a whole. When you see this percentage, you can quickly compare it to other numbers without having to think about the original fraction.
The fraction 45/80 can also be reduced to 9/16, which still gives the same percentage. Both forms show the same proportion, just expressed in different ways. Keeping the fraction in its simplest form can make it easier to work with in calculations or when drawing diagrams.
In everyday life, 56.25% might show up as a test score, a discount, or a portion of a recipe. Knowing that 45 out of 80 parts equals 56.25% helps you understand just how much of the whole you have, making it simple to decide if that amount meets your expectations.
