70/82 as a percentage is 85.37%. This value tells you how much of a whole the fraction represents when you look at it on a scale of 100.
The fraction 70/82 can be reduced to 35/41, which shows the same relationship in a simpler form. Even though the numbers are smaller, the proportion stays exactly the same.
When you see 85.37% on a chart or report, you know it’s just another way of writing 70 out of 82 parts. It’s a handy shortcut for comparing sizes without dealing with the original numbers.