The mixed number 257 15/25 written as an improper fraction is 6440/25
To turn the mixed number 257 15/25 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 257 × 25 = 6425.
After that, add the result to the numerator of the fractional part: 6425 + 15 = 6440.
Next, Write the sum of the previous step on the original denominator: 6440/25.
This means that 257 15/25, as an improper fraction, equals 6440/25.
See also: 257 15/25 as a decimal