Question

(-8/15:6 целых 3/7)*15

Answer 1

$(-\frac{8}{15} : 6\frac{3}{7} )*15=-\frac{8}{15}:\frac{6*7+3}{7} *15=-\frac{8}{15}:\frac{45}{7} *15=-\frac{8}{15}*\frac{7}{45} *15=-\frac{8*7}{45}=-\frac{56}{45}=-1\frac{11}{45}$