The mixed number 20 1/4 written as an improper fraction is 81/4
To turn the mixed number 20 1/4 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 20 × 4 = 80.
After that, add the result to the numerator of the fractional part: 80 + 1 = 81.
Next, Write the sum of the previous step on the original denominator: 81/4.
This means that 20 1/4, as an improper fraction, equals 81/4.
See also: 20 1/4 as a decimal