Question

1) (1/2+1/3)*2
2) (1/2-1/3)*3

Answer 1

(1/2+1/3)*2=(3/6+2/6)*2=5/6*2= 5/3=1 2/3

Answer 2

1) (1/2+1/3)*2=(3/6+2/6)·2=5/6·2=5/3
2) (1/2-1/3)*3=(3/6-2/6)·3=1/6·3=1/2