(1/2)3 + 1/3 - (3/4)(1/3)2
= 3/2 + 1/3 - (3/12)2
= 3/2 + 1/3 - 6/12
= 3/2 + 1/3 - 1/2
= 2/2 + 1/3
= 1 + 1/3 = 1 1/3
= 3/2 + 1/3 - (3/12)2
= 3/2 + 1/3 - 6/12
= 3/2 + 1/3 - 1/2
= 2/2 + 1/3
= 1 + 1/3 = 1 1/3