The mixed number 21 2/40 written as an improper fraction is 842/40
To turn the mixed number 21 2/40 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 + 2 = 842.
Next, Write the sum of the previous step on the original denominator: 842/40.
This means that 21 2/40, as an improper fraction, equals 842/40.
See also: 21 2/40 as a decimal