The mixed number 81 55/20 written as an improper fraction is 1675/20
To turn the mixed number 81 55/20 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 81 × 20 = 1620.
After that, add the result to the numerator of the fractional part: 1620 + 55 = 1675.
Next, Write the sum of the previous step on the original denominator: 1675/20.
This means that 81 55/20, as an improper fraction, equals 1675/20.
See also: 81 55/20 as a decimal