The mixed number 18 72/20 written as an improper fraction is 432/20
To turn the mixed number 18 72/20 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 18 × 20 = 360.
After that, add the result to the numerator of the fractional part: 360 + 72 = 432.
Next, Write the sum of the previous step on the original denominator: 432/20.
This means that 18 72/20, as an improper fraction, equals 432/20.
See also: 18 72/20 as a decimal