The mixed number 257 8/10 written as an improper fraction is 2578/10
To turn the mixed number 257 8/10 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 257 × 10 = 2570.
After that, add the result to the numerator of the fractional part: 2570 + 8 = 2578.
Next, Write the sum of the previous step on the original denominator: 2578/10.
This means that 257 8/10, as an improper fraction, equals 2578/10.
See also: 257 8/10 as a decimal