Verified answer

[tex]7\frac{8}{12}-3\frac{6}{12}=4\frac{2}{12}=4\frac{1}{6}[/tex]

[tex]7\frac{5}{9}-2\frac{7}{9}=6\frac{14}{9}-2\frac{7}{9}=4\frac{7}{9}[/tex]

[tex]8-4\frac{5}{6}=4\frac{24}{6}-4\frac{5}{6}=\frac{19}{6}=3\frac{1}{6}[/tex]

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