The mixed number 21 42/16 written as an improper fraction is 378/16
To turn the mixed number 21 42/16 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 + 42 = 378.
Next, Write the sum of the previous step on the original denominator: 378/16.
This means that 21 42/16, as an improper fraction, equals 378/16.
See also: 21 42/16 as a decimal