30/42 as a percentage is 71.43%. This value shows how much of a whole the fraction represents when expressed in percent form. It’s a handy way to compare the fraction to other percentages you might see in everyday life.
The fraction 30/42 can also be simplified to 5/7, which still gives the same percentage when converted. Knowing the percent helps you quickly see that the fraction is a little over two‑thirds of a whole.
When you need to work with percentages in school projects or budgeting, remembering that 30/42 equals 71.43% makes it easy to estimate and communicate the size of a part compared to the whole. This rounded figure is precise enough for most practical uses.
