The mixed number 42 57/100 written as an improper fraction is 4257/100
To turn the mixed number 42 57/100 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 42 × 100 = 4200.
After that, add the result to the numerator of the fractional part: 4200 + 57 = 4257.
Next, Write the sum of the previous step on the original denominator: 4257/100.
This means that 42 57/100, as an improper fraction, equals 4257/100.
See also: 42 57/100 as a decimal