The mixed number 129 38/40 written as an improper fraction is 5198/40
To turn the mixed number 129 38/40 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 129 × 40 = 5160.
After that, add the result to the numerator of the fractional part: 5160 + 38 = 5198.
Next, Write the sum of the previous step on the original denominator: 5198/40.
This means that 129 38/40, as an improper fraction, equals 5198/40.
See also: 129 38/40 as a decimal