The mixed number 90 30/20 written as an improper fraction is 1830/20
To turn the mixed number 90 30/20 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 90 × 20 = 1800.
After that, add the result to the numerator of the fractional part: 1800 + 30 = 1830.
Next, Write the sum of the previous step on the original denominator: 1830/20.
This means that 90 30/20, as an improper fraction, equals 1830/20.
See also: 90 30/20 as a decimal