1.6/3×3/9= 2.5/3×6/5= diperkecilkan yaa

1.
= 6/3 x 3/9 (3 dgn 3 habis, 6 dgn 9 jadi 2/3)
= 2/3

2.
= 5/3 x 6/5 (5 dgn 5 habis, 6 dgn 3 jadi 2/1)
= 2

1) 6/3 x 3/9 = 18/27
                   = 2/3

2) 5/3 x 6/5 = 30/15 
                   = 2