The mixed number 90 69/80 written as an improper fraction is 7269/80
To turn the mixed number 90 69/80 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 + 69 = 7269.
Next, Write the sum of the previous step on the original denominator: 7269/80.
This means that 90 69/80, as an improper fraction, equals 7269/80.
See also: 90 69/80 as a decimal