The mixed number 105 9/20 written as an improper fraction is 2109/20
To turn the mixed number 105 9/20 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 + 9 = 2109.
Next, Write the sum of the previous step on the original denominator: 2109/20.
This means that 105 9/20, as an improper fraction, equals 2109/20.
See also: 105 9/20 as a decimal