The mixed number 143 9/40 written as an improper fraction is 5729/40
To turn the mixed number 143 9/40 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 143 × 40 = 5720.
After that, add the result to the numerator of the fractional part: 5720 + 9 = 5729.
Next, Write the sum of the previous step on the original denominator: 5729/40.
This means that 143 9/40, as an improper fraction, equals 5729/40.
See also: 143 9/40 as a decimal