prime and com num
                composite
1/4 or 3/12
no
1/2 and 1/4
what is 2/4 and 1/4?
6/12
what is 1/2?
4/12 or 4/6
what is 4/6?
52
composite
4/5 or 5/10
yes
1/4 and 5/6
what is 3/12 and 10/12?
2/10
what is 1/5?
3/5 or 3/3
what is 3/3?
59
prime
6/12 or 5/8
no
4/12 and 5/8
what is 8/24 and 15/24?
6/8
what is 3/4?
9/12 or 1/3
what is 1/3?
87
prime
3/4 or 6/8
yes
1/3 and 1/4
what is 4/12 and 3/12?
4/6
what is 2/3
6/10 or 2/5
what is 6/10?
63
composite
3/8 or 2/6
yes
3/4 and 5/8
what is 6/8 and 5/8?
9/12
what is 3/4?
2/4 or 2/3
what is 2/3?