tolong jawab plis besok di kumpul

[tex]1) \: 7\frac{6}{10} - 2\frac{1}{5} = \: \frac{76}{10} - \frac{11}{5} = \: \frac{76}{10} - \frac{22}{10} [/tex]
[tex] \: \: \: \: \: = \: \frac{54}{10} = \: 5\frac{4}{10} = \: 5\frac{2}{5} [/tex]


[tex]2) \: 4\frac{5}{6} - 1\frac{2}{9} = \: \frac{29}{6} - \frac{11}{9} = \: \frac{87}{18} - \frac{22}{18} [/tex]
[tex] \: \: \: \: \: = \frac{65}{18} = \: 3\frac{11}{18} [/tex]