The mixed number 55 21/20 written as an improper fraction is 1121/20
To turn the mixed number 55 21/20 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 55 × 20 = 1100.
After that, add the result to the numerator of the fractional part: 1100 + 21 = 1121.
Next, Write the sum of the previous step on the original denominator: 1121/20.
This means that 55 21/20, as an improper fraction, equals 1121/20.
See also: 55 21/20 as a decimal