The mixed number 85 4/8 written as an improper fraction is 684/8
To turn the mixed number 85 4/8 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 85 × 8 = 680.
After that, add the result to the numerator of the fractional part: 680 + 4 = 684.
Next, Write the sum of the previous step on the original denominator: 684/8.
This means that 85 4/8, as an improper fraction, equals 684/8.
See also: 85 4/8 as a decimal