The mixed number 105 72/20 written as an improper fraction is 2172/20
To turn the mixed number 105 72/20 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 105 × 20 = 2100.
After that, add the result to the numerator of the fractional part: 2100 + 72 = 2172.
Next, Write the sum of the previous step on the original denominator: 2172/20.
This means that 105 72/20, as an improper fraction, equals 2172/20.
See also: 105 72/20 as a decimal