Respuesta :

8 1/7 = (8*7 + 1 ) / 7 = 57 / 7 ;
(-1/3)*(57/7) =(-57/21) = (-57÷3)/(21÷3) = (-19/7);
-1/3×8 1/7
-1/3×57/7
-(1×57)/(3×7)
-57/21
-19/7
B. -2 5/7