The mixed number 90 990/1000 written as an improper fraction is 90990/1000
To turn the mixed number 90 990/1000 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 90 × 1000 = 90000.
After that, add the result to the numerator of the fractional part: 90000 + 990 = 90990.
Next, Write the sum of the previous step on the original denominator: 90990/1000.
This means that 90 990/1000, as an improper fraction, equals 90990/1000.
See also: 90 990/1000 as a decimal