What is 42/100 as a percentage? It is 42.00%.
The fraction 42/100 means you have 42 parts out of a total of 100 equal parts. When you look at it in everyday terms, it’s the same as saying you have 42 out of every 100 items.
Because a hundred is the base for percentages, the fraction directly tells you the percent value. So 42 out of 100 translates straight to 42.00%, which is the same number written with a percent sign.
This percentage is useful in many simple situations, like scoring 42 points on a 100‑point test or measuring 42 % of a whole. It’s a clear and easy way to understand a part of a whole.