Find the sum : $$\dfrac { - 8 } { 19 } + \dfrac { ( - 2 ) } { 57 }$$
$$\dfrac{-8}{19}+\dfrac{(-2)}{57}=-\dfrac{8}{19}-\dfrac{2}{57}$$
$$=-\dfrac{8\times 3}{19\times 3}-\dfrac{2}{57}$$
$$=-\dfrac{24}{57}-\dfrac{2}{57}$$
$$=\dfrac{-24-2}{57}$$
$$=-\dfrac{26}{57}$$