[tex] 6\frac{5}{6} + 2 \frac{3}{8 } = 9 \frac{5}{24} [/tex]

[tex](6 + 2) + (\frac{5}{6} + \frac{3}{8} )[/tex]

[tex]8 + \frac{20 + 9}{24} [/tex]

[tex]8 + 1 \frac{5}{24} [/tex]

[tex]8 + 1 + \frac{5}{24} [/tex]

[tex] = 9 \frac{5}{24} [/tex]