The mixed number 278 1/2 written as an improper fraction is 557/2
To turn the mixed number 278 1/2 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 278 × 2 = 556.
After that, add the result to the numerator of the fractional part: 556 + 1 = 557.
Next, Write the sum of the previous step on the original denominator: 557/2.
This means that 278 1/2, as an improper fraction, equals 557/2.
See also: 278 1/2 as a decimal