The mixed number 10 87/40 written as an improper fraction is 487/40
To turn the mixed number 10 87/40 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 10 × 40 = 400.
After that, add the result to the numerator of the fractional part: 400 + 87 = 487.
Next, Write the sum of the previous step on the original denominator: 487/40.
This means that 10 87/40, as an improper fraction, equals 487/40.
See also: 10 87/40 as a decimal