The mixed number 81 1/2 written as an improper fraction is 163/2
To turn the mixed number 81 1/2 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 81 × 2 = 162.
After that, add the result to the numerator of the fractional part: 162 + 1 = 163.
Next, Write the sum of the previous step on the original denominator: 163/2.
This means that 81 1/2, as an improper fraction, equals 163/2.
See also: 81 1/2 as a decimal