hasil dari (3/8 - 4/13) : 3/4

3/8-4/13):3/4
39/104 - 32/104):3/4
7/104 x 4/3
28/312 = 7/78

(3/8 - 4/13) : 3/4
= (65/104 - 32/104) :3/4
=33/104 x 4/3
=11/26

semoga bermanfaat