The mixed number 57 69/10 written as an improper fraction is 639/10
To turn the mixed number 57 69/10 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 57 × 10 = 570.
After that, add the result to the numerator of the fractional part: 570 + 69 = 639.
Next, Write the sum of the previous step on the original denominator: 639/10.
This means that 57 69/10, as an improper fraction, equals 639/10.
See also: 57 69/10 as a decimal