(3 2/3 : 1 1/2) kali (2 1/2kali1 1/3)

Kalo gak salah

(3 2/3 : 1 1/2) x (2 1/2 x 1 1/3)
( 11/3 : 3/2) x ( 5/2 x 4/3)
22/9 x 10/3
220 / 27