Resposta:
[tex] \dfrac{9}{3} + \dfrac{7}{6} = \\ \\ MMC \: 3,6 / 2 \\ 3,3 / 3 \\ 1,1 / - - - \\ \\MMC \: é: \: 2 \times 3 = 6 \\ \\ \dfrac{2 \times 9 + 1 \times 7}{6} = \\ \\ \dfrac{18 + 7}{6} = \\ \\ \blue{\dfrac{25}{6} }[/tex]
