6/20 as a percentage is 30.00%. This tells you that the fraction represents three‑tenths of a whole, which is exactly thirty percent when expressed in a familiar way.
The fraction 6/20 can be reduced to 3/10, and that same value shows up in many everyday situations. For example, if you earn a $10 bonus and receive three‑tenths of it, you get $3, which is the same as getting 30.00% of the total.
Knowing the percentage makes it easy to compare numbers. A 30.00% discount on a $50 item saves you $15, and a test score of 30% means you answered three out of ten questions correctly. It’s a quick way to see the part of a whole you have.