The mixed number 100 80/400 written as an improper fraction is 40080/400
To turn the mixed number 100 80/400 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 100 × 400 = 40000.
After that, add the result to the numerator of the fractional part: 40000 + 80 = 40080.
Next, Write the sum of the previous step on the original denominator: 40080/400.
This means that 100 80/400, as an improper fraction, equals 40080/400.
See also: 100 80/400 as a decimal