The mixed number 129 57/10 written as an improper fraction is 1347/10
To turn the mixed number 129 57/10 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 129 × 10 = 1290.
After that, add the result to the numerator of the fractional part: 1290 + 57 = 1347.
Next, Write the sum of the previous step on the original denominator: 1347/10.
This means that 129 57/10, as an improper fraction, equals 1347/10.
See also: 129 57/10 as a decimal