(-2/3+(-2/15))+(-1,85+(-1,35)

Question

(-2/3+(-2/15))+(-1,85+(-1,35)

Answer 1

1)-2/3-2/15=-10/15-2/15=-12/15=-4/5;
2)-1,85-1,35=-3,2;
3)-4/5=-0,8-3,2=-4.