The mixed number 12 99/400 written as an improper fraction is 4899/400
To turn the mixed number 12 99/400 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 12 × 400 = 4800.
After that, add the result to the numerator of the fractional part: 4800 + 99 = 4899.
Next, Write the sum of the previous step on the original denominator: 4899/400.
This means that 12 99/400, as an improper fraction, equals 4899/400.
See also: 12 99/400 as a decimal