11per5 dikali 2per3 dibagi 2 3per5

11/5 x 2/3 = 22/15
22/15 : 2 3/5 = 22/15 : 18/5= 22/15 x 5/18 = 110/270 =11/27

11/5 × 2/3 ÷ 2 3/5

(11/5×2/3)÷2 3/5 lkerjakan yg dikurung terlebih dahulu]
22/15 ÷13/5
22/15 ×5/13 [dibalik]
22/39