The mixed number 43 39/40 written as an improper fraction is 1759/40
To turn the mixed number 43 39/40 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 43 × 40 = 1720.
After that, add the result to the numerator of the fractional part: 1720 + 39 = 1759.
Next, Write the sum of the previous step on the original denominator: 1759/40.
This means that 43 39/40, as an improper fraction, equals 1759/40.
See also: 43 39/40 as a decimal