The mixed number 21 52/40 written as an improper fraction is 892/40
To turn the mixed number 21 52/40 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 21 × 40 = 840.
After that, add the result to the numerator of the fractional part: 840 + 52 = 892.
Next, Write the sum of the previous step on the original denominator: 892/40.
This means that 21 52/40, as an improper fraction, equals 892/40.
See also: 21 52/40 as a decimal