30/80 as a percentage is 37.50%. This value shows that the fraction is a little under two‑fifths of a whole.
The fraction 30/80 can be reduced to 3/8, which is a common way to see it in simplest form. Seeing it as 3 out of 8 parts helps you picture the size without needing a calculator.
In everyday situations, 37.50% might represent a discount, a test score, or a portion of a budget. Knowing the percentage makes it easy to compare with other numbers that are already in percent form.