Find a common denominator for 6 and 9. LCM of 6 and 9 is 18.<br><br>&bull; \(\frac{1}{6} = \frac{1 \times 3}{6 \times 3} = \frac{3}{18}\)<br>&bull; \(\frac{2}{9} = \frac{2 \times 2}{9 \times 2} = \frac{4}{18}\)<br>&bull; \(\frac{3}{18} + \frac{4}{18} = \frac{7}{18}\)<br><br>Final Answer: A = 7, B = 18