The improper fraction 172/20 as a mixed number is 8 12/20
In order to convert 172/20 to a mixed number, we need to divide the numerator by the denominator to get a whole number and a remainder, and express the result as a whole number and a proper fraction.
To see it, we just need to put the whole number together with our remainder and original denominator:
So 172/20 as a mixed number is 8 12/20.