The mixed number 129 9/400 written as an improper fraction is 51609/400
To turn the mixed number 129 9/400 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 129 × 400 = 51600.
After that, add the result to the numerator of the fractional part: 51600 + 9 = 51609.
Next, Write the sum of the previous step on the original denominator: 51609/400.
This means that 129 9/400, as an improper fraction, equals 51609/400.
See also: 129 9/400 as a decimal