The mixed number 43 1/40 written as an improper fraction is 1721/40
To turn the mixed number 43 1/40 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 + 1 = 1721.
Next, Write the sum of the previous step on the original denominator: 1721/40.
This means that 43 1/40, as an improper fraction, equals 1721/40.
See also: 43 1/40 as a decimal