Question

1 1/3-3 2/3;7 2/5-(-1 1/5);

Answer 1

11/3-3 2/3=4/3-11/3=(4-1)/3=-7/3=2 1/3
7 2/5-(-11/5=37/5+6/5=(37+6)/5=4 3/5=8 3/5