What is 20/42 as a percentage? It is 47.62%. This number tells you how much of a whole 20 parts out of 42 represent when you look at it as a percent.
The fraction 20/42 can be simplified to 10/21, which is still a little less than one‑half. Thinking of it as a percent makes it easier to compare with other values, especially when you need a quick estimate.
In everyday situations, you might see something like 47.62% when measuring a portion of a budget, a test score, or a piece of a project. Knowing the percent helps you see at a glance how large or small the part is relative to the whole.
