1) 1/3 : 1/9= 1/3 × 9/1 = 3
2) 8/9 × 3/16 = 1/3 × 1/2 = 1/6
3) 4/9 × 9/8 = 1/2
4) 1/12 × 6 = 1/2
5) 3/5 × 25 = 15
6) 2/7 × 7/3 = 2/3
7) 51/10 × 10 = 51
8) 3/4 × 8/5 = 6/5
1) 1/3 : 1/9= 1/3 × 9/1 = 3
2) 8/9 × 3/16 = 1/3 × 1/2 = 1/6
3) 4/9 × 9/8 = 1/2
4) 1/12 × 6 = 1/2
5) 3/5 × 25 = 15
6) 2/7 × 7/3 = 2/3
7) 51/10 × 10 = 51
8) 3/4 × 8/5 = 6/5