The mixed number 21 1/2000 written as an improper fraction is 42001/2000
To turn the mixed number 21 1/2000 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 21 × 2000 = 42000.
After that, add the result to the numerator of the fractional part: 42000 + 1 = 42001.
Next, Write the sum of the previous step on the original denominator: 42001/2000.
This means that 21 1/2000, as an improper fraction, equals 42001/2000.
See also: 21 1/2000 as a decimal