What is 21/31 as a percentage? It’s 67.74% (rounded to two decimal places). The fraction 21/31 tells us that for every 31 equal parts, 21 of them are counted. When we look at it as a percentage, it shows how much of a whole it represents in a more familiar form.
The fraction 21/31 is a proper fraction, meaning the numerator is smaller than the denominator. It can’t be simplified further because 21 and 31 share no common factors besides 1. This makes it a good example of a fraction that stays the same no matter how you write it.
In everyday life, you might see this percentage when comparing scores, portions, or probabilities. Saying “the result is 67.74%” is often clearer than “the result is 21 out of 31,” especially when communicating with people who think in terms of percentages.
