Step-by-step explanation:
[tex]3 \frac{1}{3} + 1 \frac{1}{3} \\ \\ = \frac{3 \times 3 + 1}{3} + \frac{1 \times 3 + 1}{3} \\ \\ = \frac{9 + 1}{3} + \frac{3 + 1}{3} \\ \\ = \frac{10}{3} + \frac{4}{3} \\ \\ = \frac{10 + 4}{3} \\ \\ = \frac{14}{3} \\ \\ = 4 \frac{2}{3} \\ [/tex]
