The mixed number 15 21/25 written as an improper fraction is 396/25
To turn the mixed number 15 21/25 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 15 × 25 = 375.
After that, add the result to the numerator of the fractional part: 375 + 21 = 396.
Next, Write the sum of the previous step on the original denominator: 396/25.
This means that 15 21/25, as an improper fraction, equals 396/25.
See also: 15 21/25 as a decimal