The mixed number 21 3/16 written as an improper fraction is 339/16
To turn the mixed number 21 3/16 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 21 × 16 = 336.
After that, add the result to the numerator of the fractional part: 336 + 3 = 339.
Next, Write the sum of the previous step on the original denominator: 339/16.
This means that 21 3/16, as an improper fraction, equals 339/16.
See also: 21 3/16 as a decimal