hasil dari 2/3:12/20:/8:18 a. 5/3 b. 5/2 c. 3/2 d. 3/36

2/3 : 12/20 : 8/18
= 2/3 × 20/12 × 18/8
= 2/3 × 5/3 × 9/4
= 90/36 => masing2 dibagi 12
= 15/6 => masing2 dibagi 3
= 5/2
Jawaban : B