The mixed number 280 17/20 written as an improper fraction is 5617/20
To turn the mixed number 280 17/20 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 280 × 20 = 5600.
After that, add the result to the numerator of the fractional part: 5600 + 17 = 5617.
Next, Write the sum of the previous step on the original denominator: 5617/20.
This means that 280 17/20, as an improper fraction, equals 5617/20.
See also: 280 17/20 as a decimal