The mixed number 42 72/20 written as an improper fraction is 912/20
To turn the mixed number 42 72/20 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 42 × 20 = 840.
After that, add the result to the numerator of the fractional part: 840 + 72 = 912.
Next, Write the sum of the previous step on the original denominator: 912/20.
This means that 42 72/20, as an improper fraction, equals 912/20.
See also: 42 72/20 as a decimal