The fraction 21/37 is equal to 56.76% when converted to a percentage and rounded to two decimal places. This means that if you were to divide something into 37 parts and take 21 of those parts, you'd have about 57% of the whole. It's a bit more than half, but not quite as much as three-fifths.
In everyday life, you might come across this fraction or percentage in various situations. For example, if 21 out of 37 students in a class passed a test, you could say that 56.76% of the class succeeded. Or if you completed 21 pages of a 37-page book, you'd be about 57% done with your reading. While it's not a common fraction like 1/2 or 3/4, understanding 21/37 and its percentage equivalent can be useful in certain contexts.