The mixed number 87 4/7 written as an improper fraction is 613/7
To turn the mixed number 87 4/7 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 87 × 7 = 609.
After that, add the result to the numerator of the fractional part: 609 + 4 = 613.
Next, Write the sum of the previous step on the original denominator: 613/7.
This means that 87 4/7, as an improper fraction, equals 613/7.
See also: 87 4/7 as a decimal