The mixed number 57 4/7 written as an improper fraction is 403/7
To turn the mixed number 57 4/7 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 57 × 7 = 399.
After that, add the result to the numerator of the fractional part: 399 + 4 = 403.
Next, Write the sum of the previous step on the original denominator: 403/7.
This means that 57 4/7, as an improper fraction, equals 403/7.
See also: 57 4/7 as a decimal