The mixed number 4 81/20 written as an improper fraction is 161/20
To turn the mixed number 4 81/20 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 4 × 20 = 80.
After that, add the result to the numerator of the fractional part: 80 + 81 = 161.
Next, Write the sum of the previous step on the original denominator: 161/20.
This means that 4 81/20, as an improper fraction, equals 161/20.
See also: 4 81/20 as a decimal