54/80 as a percentage is 67.50%. This value shows how much of a whole the fraction represents when we look at it in terms of hundredths.
The fraction 54/80 can be reduced to 27/40, which still gives the same proportion of a whole. Seeing it as a percentage makes it easier to compare with other numbers that are already expressed in percent form.
In everyday situations, saying something is 67.50% of a total is more intuitive than using the fraction 54/80. Whether you're measuring a test score, a discount, or a portion of a project, the percentage gives a clear, quick picture of the amount.
