When dividing fractions use stick(keep first fraction the same) change (the sign to a times) flip (flip the last fraction around)
1. 2/1 x2/1 =4/1 4
2. 3/1 x 3/1= 9
3. 6/1 x 3/2= 18/2 which is 9
4. 6/1 x 2/3 = 12/3 is 4
5.12/1 x 3/4 = 36/4 which is 9
Hope this helps have a good day