45/80 = 56.25%
A value like 45/80, or 56.25%, could describe how much of a school survey group chose a certain answer, or how much of a phone battery remains. It’s a little more than half, so it can also help compare progress toward a goal.
To picture it quickly, imagine filling a bar that’s split into 80 equal parts: 45 parts are filled. You can also think of it as just over half of the whole, since half would be 40 parts.
One common point of confusion is treating 56.25% as if it were exactly 56% or a little over half without noticing the extra detail. The exact value is useful when small differences matter, while “a bit more than half” is often enough for a quick estimate.