The mixed number 21 43/1000 written as an improper fraction is 21043/1000
To turn the mixed number 21 43/1000 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 21 × 1000 = 21000.
After that, add the result to the numerator of the fractional part: 21000 + 43 = 21043.
Next, Write the sum of the previous step on the original denominator: 21043/1000.
This means that 21 43/1000, as an improper fraction, equals 21043/1000.
See also: 21 43/1000 as a decimal