1) (1/3-2/3)x(4/5-2/15)x(-3/5) = (-1/3)(14/15)(-3/5) = 14/15
2) (1/6-5/9)x(1/2-3/7)x(36/5) = (-1/3)(1/14)(36/5) = -2/5
1) (1/3-2/3)x(4/5-2/15)x(-3/5) = (-1/3)(14/15)(-3/5) = 14/15
2) (1/6-5/9)x(1/2-3/7)x(36/5) = (-1/3)(1/14)(36/5) = -2/5