10/42 as a percentage is 23.81%. This rounded figure gives a quick sense of how large the fraction is compared to a whole.
The fraction 10/42 can be reduced to 5/21, which still represents the same part of a whole. It shows that just over one‑fifth of something is taken, which matches the 23.81% value.
Understanding this percentage is useful in everyday situations, like figuring out a discount, a test score, or the portion of a recipe you need. Knowing the simple link between a fraction and its percentage makes these calculations easier.