20/37 as a percentage is 54.05%. This number tells you how much of a whole 20 parts out of 37 would be when you look at it in terms of 100. It’s a quick way to compare the fraction with other percentages you might see.
In everyday life, percentages like this help you understand things like test scores, discounts, or how much of a recipe you’re using. For example, if you ate 20 slices out of a pizza cut into 37 slices, you’d have eaten about 54.05% of the pizza.
Remember that the “.05” part is a rounding to two decimal places, so the figure is precise enough for most casual uses without getting too complicated.