31/57 as a percentage is 54.39%. This number tells you how much of a whole 31 parts out of 57 represent when you look at it on a scale of 100.
The fraction 31/57 is already in its simplest form, so it doesn’t reduce any further. It’s a bit more than half, which is why the percentage lands a little above 50%.
Knowing the percentage can be handy in everyday situations, like comparing scores, budgets, or any data where you need to see the share of a total. It gives a quick, easy‑to‑understand picture of the proportion.