Jawabanmu

2014-02-13T18:38:35+07:00
A. 4 3/5 : 2 1/7 = 
    23/5 x 15/7 = 161/75= 2 11/75

b. 6/8 : 4/5 : 2/7 = 
    6/8 x 5/4 x 7/2 = 105/32 = 3 9/32

c. 5/6 : 4/7 : 8/9 = 
    5/6 x 7/4 x 9/8 = 315/192=1 123/192