The mixed number 40 12/20 written as an improper fraction is 812/20
To turn the mixed number 40 12/20 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 40 × 20 = 800.
After that, add the result to the numerator of the fractional part: 800 + 12 = 812.
Next, Write the sum of the previous step on the original denominator: 812/20.
This means that 40 12/20, as an improper fraction, equals 812/20.
See also: 40 12/20 as a decimal