56/74 as a percentage is 75.68%. This number tells you how much of a whole the fraction represents when you look at it in terms of hundredths.
The fraction 56/74 can be simplified by dividing both the numerator and the denominator by 2, giving 28/37. Even after simplifying, the value stays the same, so its percentage remains 75.68%.
Knowing the percentage makes it easy to compare this amount with other values that are also expressed out of 100. It’s a handy way to see that 56 out of 74 is a little less than three‑quarters of the whole.