The mixed number 87 20/10 written as an improper fraction is 890/10
To turn the mixed number 87 20/10 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 87 × 10 = 870.
After that, add the result to the numerator of the fractional part: 870 + 20 = 890.
Next, Write the sum of the previous step on the original denominator: 890/10.
This means that 87 20/10, as an improper fraction, equals 890/10.
See also: 87 20/10 as a decimal