64/82 as a percentage is 78.05%. This value tells you how much of a whole the fraction represents when you think of the whole as 100 %.
The fraction 64/82 can be reduced to 32/41, which still gives the same percentage. It’s a handy way to see the size of the part compared to the whole without dealing with large numbers.
Knowing the percentage makes it easier to compare this amount to other values, like test scores or discounts, because most people are comfortable working with percentages.
