Find the sum. Write your answer as a mixed number in simplest form.

1.
 5 6
+
 3 6
=
2.
 1 2
+
 1 2
=
3.
 1 3
+
 2 3
=
4.
 3 4
+
 1 4
=
5.
 2 7
+
 4 7
=
6.
 8 9
+
 6 9
=
7.
 4 8
+
 7 8
=
8.
 3 5
+
 4 5
=
9.
 2 5
+
 3 5
=
10.
 4 6
+
 5 6
=
11.
 1 3
+
 1 3
=
12.
 7 8
+
 3 8
=
13.
 3 4
+
 2 4
=
14.
 2 9
+
 5 9
=
15.
 5 7
+
 6 7
=
16.
 5 9
+
 1 9
=
17.
 2 4
+
 3 4
=
18.
 3 8
+
 4 8
=
19.
 6 7
+
 6 7
=
20.
 2 5
+
 1 5
=
21.
 8 9
+
 8 9
=
22.
 4 5
+
 4 5
=
23.
 1 6
+
 5 6
=
24.
 6 8
+
 3 8
=
25.
 2 3
+
 2 3
=
26.
 3 7
+
 4 7
=
27.
 4 5
+
 1 5
=
28.
 5 9
+
 5 9
=
29.
 1 6
+
 3 6
=
30.
 1 4
+
 1 4
=
31.
 7 8
+
 2 8
=
32.
 2 3
+
 1 3
=
33.
 1 7
+
 6 7
=
34.
 3 4
+
 3 4
=
35.
 4 5
+
 2 5
=
36.
 5 6
+
 5 6
=
37.
 6 7
+
 4 7
=
38.
 8 9
+
 4 9
=
39.
 3 8
+
 7 8
=
40.
 6 7
+
 3 7
=

1
1
 1 3
2 1
3 1
4 1
5
 6 7
6
1
 5 9
7
1
 3 8
8
1
 2 5
9 1
10
1
 1 2
11
 2 3
12
1
 1 4
13
1
 1 4
14
 7 9
15
1
 4 7
16
 2 3
17
1
 1 4
18
 7 8
19
1
 5 7
20
 3 5
21
1
 7 9
22
1
 3 5
23 1
24
1
 1 8
25
1
 1 3
26 1
27 1
28
1
 1 9
29
 2 3
30
 1 2
31
1
 1 8
32 1
33 1
34
1
 1 2
35
1
 1 5
36
1
 2 3
37
1
 3 7
38
1
 1 3
39
1
 1 4
40
1
 2 7
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