The mixed number 129 3/10 written as an improper fraction is 1293/10
To turn the mixed number 129 3/10 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 + 3 = 1293.
Next, Write the sum of the previous step on the original denominator: 1293/10.
This means that 129 3/10, as an improper fraction, equals 1293/10.
See also: 129 3/10 as a decimal