20/64 as a percentage is 31.25%. This value tells you how much of a whole the fraction represents when it is expressed in hundredths.
The fraction 20/64 can be simplified to 5/16, which is a common way to see the same proportion in smaller numbers. Whether you write it as 5/16, 20/64, or 31.25%, the meaning stays the same: just under one third of a whole.
In everyday use, percentages like 31.25% are handy for quick comparisons—think of a test score, a discount, or a portion of a recipe. Knowing that 20 out of 64 parts equals about 31 percent helps you gauge size without doing long calculations.