The mixed number 40 99/100 written as an improper fraction is 4099/100
To turn the mixed number 40 99/100 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 40 × 100 = 4000.
After that, add the result to the numerator of the fractional part: 4000 + 99 = 4099.
Next, Write the sum of the previous step on the original denominator: 4099/100.
This means that 40 99/100, as an improper fraction, equals 4099/100.
See also: 40 99/100 as a decimal