The mixed number 64 21/1000 written as an improper fraction is 64021/1000
To turn the mixed number 64 21/1000 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 64 × 1000 = 64000.
After that, add the result to the numerator of the fractional part: 64000 + 21 = 64021.
Next, Write the sum of the previous step on the original denominator: 64021/1000.
This means that 64 21/1000, as an improper fraction, equals 64021/1000.
See also: 64 21/1000 as a decimal