[tex]3\frac{8}{17} :(-1\frac{5}{34} ) =\frac{59}{17}*(-\frac{34}{39})=- \frac{118}{39} \\\\-8\frac{5}{9}:(-6\frac{1}{3})=-\frac{77}{9}*(-\frac{3}{19} ) = \frac{77}{57}[/tex]