The mixed number 18 21/10 written as an improper fraction is 201/10
To turn the mixed number 18 21/10 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 18 × 10 = 180.
After that, add the result to the numerator of the fractional part: 180 + 21 = 201.
Next, Write the sum of the previous step on the original denominator: 201/10.
This means that 18 21/10, as an improper fraction, equals 201/10.
See also: 18 21/10 as a decimal