Question

(1/2 + 5/8) X (1/3 - 1/9)

Answer 1

(1/2 + 5/8) X (1/3 - 1/9)
(4/8 + 5/8) X (3/9 - 1/9)
9/8 X 4/9
1/2 X 1/1 = 1/2