The mixed number 90 23/80 written as an improper fraction is 7223/80
To turn the mixed number 90 23/80 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 90 × 80 = 7200.
After that, add the result to the numerator of the fractional part: 7200 + 23 = 7223.
Next, Write the sum of the previous step on the original denominator: 7223/80.
This means that 90 23/80, as an improper fraction, equals 7223/80.
See also: 90 23/80 as a decimal