The mixed number 11 78/20 written as an improper fraction is 298/20
To turn the mixed number 11 78/20 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 11 × 20 = 220.
After that, add the result to the numerator of the fractional part: 220 + 78 = 298.
Next, Write the sum of the previous step on the original denominator: 298/20.
This means that 11 78/20, as an improper fraction, equals 298/20.
See also: 11 78/20 as a decimal