3/4 + 7/8
1 5/8
4 + 3/2
5 1/2
4/5 - 2/15
1/3
2 - 4/3
2/3
2/3 x 6/8
1/2
12 x 3/5
36/5
20/45 / 10/15
42/54 / 49/18
2/7
(5/10 / 45/15)+15/18 - 1/2
(2x2) / (1/4 x 64/16)
4