The mixed number 280 13/8 written as an improper fraction is 2253/8
To turn the mixed number 280 13/8 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 280 × 8 = 2240.
After that, add the result to the numerator of the fractional part: 2240 + 13 = 2253.
Next, Write the sum of the previous step on the original denominator: 2253/8.
This means that 280 13/8, as an improper fraction, equals 2253/8.
See also: 280 13/8 as a decimal