Question

5/6 + 2/3 + 7/12 =
8/12 + 4/ 7 + 4/5 =
3/5 + 7/2 + 6/9 =
6/2 - 5/7 =
8/3 - 4/9 =
12/8 - 5/9 =

Answer 1

1.-5/6+2/3+7/12
10+8+7
25

2.-8/12+4/7+4/5
280+240+336
856

3.- 3/5+2/7+6/9
189+90+210
489
4.-6/2-5/7
3-5/7
(21-5)/7
16/7
2,29

5.-8/3-4/9
(24-4)9
20/9
2,22

6.-12/8-5/9
3/2-5/9
(27-10)18
17/18
0,94