The fraction 40/56 is equal to 71.43% when converted to a percentage. This means that if you had 56 items and took 40 of them, you'd have about 71% of the total. It's a bit more than two-thirds but not quite three-quarters of the whole.
In everyday life, you might see this fraction pop up in various situations. For example, if 40 out of 56 students in a class passed a test, the pass rate would be 71.43%. Or if a basketball player made 40 out of 56 free throw attempts, their free throw percentage would be 71.43%. This percentage is often used to represent a fairly good success rate or a significant majority in many contexts.