45/56 as a percentage is 80.36%. This means that the fraction represents just over four‑fifths of a whole when expressed in percent form.
The fraction 45/56 can be thought of as 45 parts out of a total of 56 equal parts. It’s a little less than one whole, and it’s often useful when comparing parts of a set, like scores on a test or portions of a recipe.
Seeing the percentage makes it easier to understand at a glance. 80.36% tells you that the amount is close to eighty percent, which is a familiar way to describe how much of something is present.