Evalute: -1/3+2/3(1/2-1/3)

what are the steps involved with this problem? thanks

first, do the inner ( )

1/2-1/3= 3/6-2/6= 1/6
-1/3 + 2/3 (1/6)=-1/3+1/9
= -3/9+ 1/9= ???