The mixed number 40 70/80 written as an improper fraction is 3270/80
To turn the mixed number 40 70/80 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 40 × 80 = 3200.
After that, add the result to the numerator of the fractional part: 3200 + 70 = 3270.
Next, Write the sum of the previous step on the original denominator: 3270/80.
This means that 40 70/80, as an improper fraction, equals 3270/80.
See also: 40 70/80 as a decimal