The mixed number 138 21/40 written as an improper fraction is 5541/40
To turn the mixed number 138 21/40 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 138 × 40 = 5520.
After that, add the result to the numerator of the fractional part: 5520 + 21 = 5541.
Next, Write the sum of the previous step on the original denominator: 5541/40.
This means that 138 21/40, as an improper fraction, equals 5541/40.
See also: 138 21/40 as a decimal