The mixed number 42 58/10 written as an improper fraction is 478/10
To turn the mixed number 42 58/10 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 42 × 10 = 420.
After that, add the result to the numerator of the fractional part: 420 + 58 = 478.
Next, Write the sum of the previous step on the original denominator: 478/10.
This means that 42 58/10, as an improper fraction, equals 478/10.
See also: 42 58/10 as a decimal