The mixed number 30 21/10 written as an improper fraction is 321/10
To turn the mixed number 30 21/10 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 30 × 10 = 300.
After that, add the result to the numerator of the fractional part: 300 + 21 = 321.
Next, Write the sum of the previous step on the original denominator: 321/10.
This means that 30 21/10, as an improper fraction, equals 321/10.
See also: 30 21/10 as a decimal