The mixed number 12 99/1000 written as an improper fraction is 12099/1000
To turn the mixed number 12 99/1000 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 12 × 1000 = 12000.
After that, add the result to the numerator of the fractional part: 12000 + 99 = 12099.
Next, Write the sum of the previous step on the original denominator: 12099/1000.
This means that 12 99/1000, as an improper fraction, equals 12099/1000.
See also: 12 99/1000 as a decimal