The mixed number 1 1/3 written as an improper fraction is 4/3
To turn the mixed number 1 1/3 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 1 × 3 = 3.
After that, add the result to the numerator of the fractional part: 3 + 1 = 4.
Next, Write the sum of the previous step on the original denominator: 4/3.
This means that 1 1/3, as an improper fraction, equals 4/3.
See also: 1 1/3 as a decimal