The mixed number 90 1/5 written as an improper fraction is 451/5
To turn the mixed number 90 1/5 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 90 × 5 = 450.
After that, add the result to the numerator of the fractional part: 450 + 1 = 451.
Next, Write the sum of the previous step on the original denominator: 451/5.
This means that 90 1/5, as an improper fraction, equals 451/5.
See also: 90 1/5 as a decimal