The mixed number 17 70/80 written as an improper fraction is 1430/80
To turn the mixed number 17 70/80 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 17 × 80 = 1360.
After that, add the result to the numerator of the fractional part: 1360 + 70 = 1430.
Next, Write the sum of the previous step on the original denominator: 1430/80.
This means that 17 70/80, as an improper fraction, equals 1430/80.
See also: 17 70/80 as a decimal