The mixed number 70 39/80 written as an improper fraction is 5639/80
To turn the mixed number 70 39/80 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 70 × 80 = 5600.
After that, add the result to the numerator of the fractional part: 5600 + 39 = 5639.
Next, Write the sum of the previous step on the original denominator: 5639/80.
This means that 70 39/80, as an improper fraction, equals 5639/80.
See also: 70 39/80 as a decimal