The mixed number 20 9/40 written as an improper fraction is 809/40
To turn the mixed number 20 9/40 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 20 × 40 = 800.
After that, add the result to the numerator of the fractional part: 800 + 9 = 809.
Next, Write the sum of the previous step on the original denominator: 809/40.
This means that 20 9/40, as an improper fraction, equals 809/40.
See also: 20 9/40 as a decimal