The mixed number 51 78/20 written as an improper fraction is 1098/20
To turn the mixed number 51 78/20 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 51 × 20 = 1020.
After that, add the result to the numerator of the fractional part: 1020 + 78 = 1098.
Next, Write the sum of the previous step on the original denominator: 1098/20.
This means that 51 78/20, as an improper fraction, equals 1098/20.
See also: 51 78/20 as a decimal