The mixed number 10 21/10 written as an improper fraction is 121/10
To turn the mixed number 10 21/10 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 10 × 10 = 100.
After that, add the result to the numerator of the fractional part: 100 + 21 = 121.
Next, Write the sum of the previous step on the original denominator: 121/10.
This means that 10 21/10, as an improper fraction, equals 121/10.
See also: 10 21/10 as a decimal