The mixed number 280 400/1000 written as an improper fraction is 280400/1000
To turn the mixed number 280 400/1000 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 280 × 1000 = 280000.
After that, add the result to the numerator of the fractional part: 280000 + 400 = 280400.
Next, Write the sum of the previous step on the original denominator: 280400/1000.
This means that 280 400/1000, as an improper fraction, equals 280400/1000.
See also: 280 400/1000 as a decimal