The mixed number 55 99/10 written as an improper fraction is 649/10
To turn the mixed number 55 99/10 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 55 × 10 = 550.
After that, add the result to the numerator of the fractional part: 550 + 99 = 649.
Next, Write the sum of the previous step on the original denominator: 649/10.
This means that 55 99/10, as an improper fraction, equals 649/10.
See also: 55 99/10 as a decimal