The mixed number 70 31/40 written as an improper fraction is 2831/40
To turn the mixed number 70 31/40 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 70 × 40 = 2800.
After that, add the result to the numerator of the fractional part: 2800 + 31 = 2831.
Next, Write the sum of the previous step on the original denominator: 2831/40.
This means that 70 31/40, as an improper fraction, equals 2831/40.
See also: 70 31/40 as a decimal