The mixed number 81 4/7 written as an improper fraction is 571/7
To turn the mixed number 81 4/7 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 81 × 7 = 567.
After that, add the result to the numerator of the fractional part: 567 + 4 = 571.
Next, Write the sum of the previous step on the original denominator: 571/7.
This means that 81 4/7, as an improper fraction, equals 571/7.
See also: 81 4/7 as a decimal