What is 1.333333333 as a mixed number?

The decimal 1.333333333 can be expressed as a mixed number by recognizing that it consists of 1 whole and a repeating fraction. Specifically, 0.333333333 is equivalent to the fraction ( \frac{1}{3} ). Therefore, 1.333333333 as a mixed number is ( 1 \frac{1}{3} ).