The mixed number 78 86/20 written as an improper fraction is 1646/20
To turn the mixed number 78 86/20 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 78 × 20 = 1560.
After that, add the result to the numerator of the fractional part: 1560 + 86 = 1646.
Next, Write the sum of the previous step on the original denominator: 1646/20.
This means that 78 86/20, as an improper fraction, equals 1646/20.
See also: 78 86/20 as a decimal