3/2
2 + 1/2 =
1/2
7/3
1 - 1/3 =
1 + 1/2 =
2 + 1/3=
5/2
2/3
1 + 1/5=
1 - 1/2 =
1 + 1/3 =
5/3
4/3
6/5
2 - 1/3=
