20/26 as a percentage is 76.92%. This shows that the fraction is a little less than four‑fifths of a whole. It’s a quick way to see how large the part is compared to the total.
The fraction 20/26 can be simplified to 10/13, which is still the same value. Thinking of it as ten parts out of thirteen helps to understand why it is close to three‑quarters (75%) but a bit higher.
In everyday situations you might see this kind of number when dealing with test scores, survey results, or any data that’s expressed as a part of a whole. Knowing the percentage lets you compare it easily with other numbers that are already in percent form.