12/18 as a percentage is 66.67%. This value tells you how much of a whole the fraction represents when you think in terms of hundredths. It’s a quick way to compare the part to a full set.
If you simplify 12/18, you get the fraction 2/3. Both forms show the same proportion, just in different styles—one as a fraction, the other as a percentage. Knowing both helps you switch between them depending on what a problem asks for.
Percentages like 66.67% are useful in everyday situations, such as figuring out discounts, grades, or statistics. When you see a number like this, you can instantly gauge that the part is a little more than two‑thirds of the whole.
