8/20 expressed as a percentage is 40.00%. This value tells you how much of a whole the fraction represents when you look at it in terms of hundredths.
The fraction 8/20 can be simplified to 2/5, which means for every 5 equal parts, 2 of them are taken. Seeing it as 40.00% makes it easy to compare with other percentages, like grades or discounts.
In everyday life, a 40.00% share might show up in a sale price, a test score, or a portion of a project completed. It’s a quick way to understand the size of a part relative to the whole.