The mixed number 172 9/10 written as an improper fraction is 1729/10
To turn the mixed number 172 9/10 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 172 × 10 = 1720.
After that, add the result to the numerator of the fractional part: 1720 + 9 = 1729.
Next, Write the sum of the previous step on the original denominator: 1729/10.
This means that 172 9/10, as an improper fraction, equals 1729/10.
See also: 172 9/10 as a decimal