1per3dikali4per5dibagi16per9

(1/3) × (4/5) / (16/9)
= (4/15) / (16/9)
= (4/15) × (9/16)
= 36 / (16×15)
= 3/20
= 0,15

1/3 . 4/5 : 16/9 = 1/3 . 4/5 . 9/16
                          = 4/15 . 9/16
                          = 36/240
                          = 3/20

Semoga membantu
Maaf banget kalau ada rumus yang salah.