40/47 as a percentage is 85.11%. This value shows how close the fraction is to a whole number, and the rounding makes it easy to read.
The fraction 40/47 is an improper fraction that is a little less than one. Because the numerator is only seven less than the denominator, the value is fairly high, landing just above the 80% mark.
In everyday use, you might see this percentage when comparing scores, rates, or parts of a whole. Knowing that 40 out of 47 items represent 85.11% helps you quickly gauge the proportion without having to work with the fraction directly.