The improper fraction 428/3 as a mixed number is 142 2/3
In order to convert 428/3 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 428/3 as a mixed number is 142 2/3.