The mixed number 21 102/20 written as an improper fraction is 522/20
To turn the mixed number 21 102/20 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 21 × 20 = 420.
After that, add the result to the numerator of the fractional part: 420 + 102 = 522.
Next, Write the sum of the previous step on the original denominator: 522/20.
This means that 21 102/20, as an improper fraction, equals 522/20.
See also: 21 102/20 as a decimal