Hitunglah ( 3 1/2+7/2 / 5+8/3 )

(3 1/2+7/2) : (5+8/3)
(7/2 + 7/2) : (5/1 + 8/3)
(14/2) : (15/3 + 8/3)
7/1 : 23/3
7/1 x 3/23
21/23