45/72 as a percentage is 62.50%. This number tells you how much of a whole the fraction represents when you look at it on a scale of 100.
The fraction 45/72 can be reduced to its simplest form, which is 5/8. Both the fraction and the percentage describe the same proportion, just in different ways.
Knowing the percentage helps when you compare parts of a whole in everyday situations, like grades, discounts, or statistics. It’s a quick way to see that 45 out of 72 is a little more than half of the total.
