What is 21/31 as a percentage? It comes out to 67.74% when rounded to two decimal places. This number tells you how much of a whole 21 parts out of 31 represent.
The fraction 21/31 is a little more than two‑thirds, so seeing it as 67.74% makes it easier to compare with other percentages. If you picture a pizza cut into 31 slices, taking 21 slices would give you just under 68% of the pizza.
Knowing the percentage is useful in everyday situations like calculating grades, discounts, or statistics. It gives a quick sense of proportion without having to work directly with the fraction.
