The mixed number 90 43/40 written as an improper fraction is 3643/40
To turn the mixed number 90 43/40 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 90 × 40 = 3600.
After that, add the result to the numerator of the fractional part: 3600 + 43 = 3643.
Next, Write the sum of the previous step on the original denominator: 3643/40.
This means that 90 43/40, as an improper fraction, equals 3643/40.
See also: 90 43/40 as a decimal