The mixed number 21 1/10 written as an improper fraction is 211/10
To turn the mixed number 21 1/10 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 21 × 10 = 210.
After that, add the result to the numerator of the fractional part: 210 + 1 = 211.
Next, Write the sum of the previous step on the original denominator: 211/10.
This means that 21 1/10, as an improper fraction, equals 211/10.
See also: 21 1/10 as a decimal