Question

(-8/15:6 целых 3/7)*15

Answer 1

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