The mixed number 8 643/1000 written as an improper fraction is 8643/1000
To turn the mixed number 8 643/1000 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 8 × 1000 = 8000.
After that, add the result to the numerator of the fractional part: 8000 + 643 = 8643.
Next, Write the sum of the previous step on the original denominator: 8643/1000.
This means that 8 643/1000, as an improper fraction, equals 8643/1000.
See also: 8 643/1000 as a decimal