The mixed number 25 21/25 written as an improper fraction is 646/25
To turn the mixed number 25 21/25 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 25 × 25 = 625.
After that, add the result to the numerator of the fractional part: 625 + 21 = 646.
Next, Write the sum of the previous step on the original denominator: 646/25.
This means that 25 21/25, as an improper fraction, equals 646/25.
See also: 25 21/25 as a decimal