The mixed number 170 991/1000 written as an improper fraction is 170991/1000
To turn the mixed number 170 991/1000 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 170 × 1000 = 170000.
After that, add the result to the numerator of the fractional part: 170000 + 991 = 170991.
Next, Write the sum of the previous step on the original denominator: 170991/1000.
This means that 170 991/1000, as an improper fraction, equals 170991/1000.
See also: 170 991/1000 as a decimal