The mixed number 58 99/10 written as an improper fraction is 679/10
To turn the mixed number 58 99/10 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 58 × 10 = 580.
After that, add the result to the numerator of the fractional part: 580 + 99 = 679.
Next, Write the sum of the previous step on the original denominator: 679/10.
This means that 58 99/10, as an improper fraction, equals 679/10.
See also: 58 99/10 as a decimal