The mixed number 280 5/10 written as an improper fraction is 2805/10
To turn the mixed number 280 5/10 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 280 × 10 = 2800.
After that, add the result to the numerator of the fractional part: 2800 + 5 = 2805.
Next, Write the sum of the previous step on the original denominator: 2805/10.
This means that 280 5/10, as an improper fraction, equals 2805/10.
See also: 280 5/10 as a decimal