[tex] \frac{2}{7} + \frac{2}{3} = \frac{20}{21} [/tex]
Step-by-step explanation:
[tex] \frac{2}{7} + \frac{2}{3} \\ = \frac{2 \times 3}{7 \times 3} + \frac{2 \times 7}{3 \times 7} \\ = \frac{6}{21} + \frac{14}{21} \\ = \frac{6 + 14}{21} \\ = \frac{20}{21} [/tex]
