51/72 as a percentage is 70.83%. This rounded figure tells you that the fraction is a little more than two‑thirds of a whole.
The fraction 51/72 can be reduced to 17/24, which still represents the same amount. In decimal form it is about 0.7083, so you can see why the percentage lands close to 71 %. It’s a handy way to compare parts of a whole when you need a quick, understandable number.
Percentages like 70.83% are useful in everyday situations—such as grading, budgeting, or measuring progress. Knowing the percentage helps you see at a glance how large the part is relative to the whole, without having to work with fractions or long decimals.