The mixed number 120 21/40 written as an improper fraction is 4821/40
To turn the mixed number 120 21/40 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 120 × 40 = 4800.
After that, add the result to the numerator of the fractional part: 4800 + 21 = 4821.
Next, Write the sum of the previous step on the original denominator: 4821/40.
This means that 120 21/40, as an improper fraction, equals 4821/40.
See also: 120 21/40 as a decimal