30/48 as a percentage is 62.50%. This fraction can be reduced to 5/8, which still represents the same value. When you see 62.50% on a report or a chart, you know it comes from the same simple ratio.
The fraction 30/48 shows how many parts out of a total of 48 are being considered—in this case, 30 parts. Reducing it to 5/8 makes it easier to compare with other common fractions, and the percentage gives a quick, familiar way to understand the size of the portion.
In everyday situations, you might use the 62.50% figure to describe a test score, a discount, or a portion of a project that’s completed. It’s a clear, concise way to communicate that a little more than half of the whole has been reached.