12/90 as a percentage is 13.33%. This number tells you how much of a whole 12 parts out of 90 represent when you look at it in terms of 100.
If you simplify the fraction 12/90, it reduces to 2/15. Even though the fraction looks small, the percentage shows that it is a little more than one‑tenth of a whole, which can be useful for quick estimates in everyday situations.
Remember that percentages like 13.33% are handy when you need to compare parts of different groups. Whether you’re looking at test scores, discounts, or survey results, turning a fraction into a percent makes the information easier to understand at a glance.