The mixed number 143 11/80 written as an improper fraction is 11451/80
To turn the mixed number 143 11/80 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 143 × 80 = 11440.
After that, add the result to the numerator of the fractional part: 11440 + 11 = 11451.
Next, Write the sum of the previous step on the original denominator: 11451/80.
This means that 143 11/80, as an improper fraction, equals 11451/80.
See also: 143 11/80 as a decimal