40/56 as a percentage is 71.43%. This number tells you how much of a whole 40 parts out of 56 represent when you look at it on a scale of 100.
The fraction 40/56 can be reduced by dividing both the numerator and the denominator by 8, giving the simpler form 5/7. Even in this reduced form, it still equals the same 71.43% when expressed as a percent.
Knowing the percent makes it easy to compare 40/56 with other values, especially in everyday situations like grades, discounts, or statistics. It shows that the fraction is a little over two‑thirds of a whole.