3.25
13/4
3.25
4/13 = 0.307692 recurring (that is, 0.307692307692...)
3.25
0.325
13/4 = 3.25
0.25
4
52 divided y 13 = 4
4/5 divided by 12/13 is 0.867
4/7 divided by 13/35 is 1.53846153846
13
1/4 divided by 5/13 is the same as 1/4 * 13/5. Multiply both across (1 * 13, 45) and you get 13/20.
4.3333
0.25
4.3333
6.3077
4.6154