1 1/8 • ( 9 1/3 : 1 3/4 ) =
1)28/3:7/4=28/3*4/7=16/3; 2)9/8*16/3=6.
11/8*(9 1/3:1 3/4) 9 1/3:1 3/4=5 1/3 5 1/3*118=7 1/3