The mixed number 90 87/10 written as an improper fraction is 987/10
To turn the mixed number 90 87/10 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 90 × 10 = 900.
After that, add the result to the numerator of the fractional part: 900 + 87 = 987.
Next, Write the sum of the previous step on the original denominator: 987/10.
This means that 90 87/10, as an improper fraction, equals 987/10.
See also: 90 87/10 as a decimal