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분수: 분모가 다른 덧셈7분수1

1
1 9
+
3 2
=
29 18
2
3 2
+
5 5
=
25 10
3
+
5
=
5 2
3
5 5
+
7 7
=
70 35
5
+
7
=
2
4
7 7
+
1 5
=
42 35
7
+
1
=
6 5
5
1 9
+
9 3
=
28 9
6
9 3
+
8 5
=
69 15
9
+
8
=
23 5
7
8 5
+
1 6
=
53 30
8
1 6
+
2 3
=
5 6
9
2 3
+
8 2
=
28 6
2
+
8
=
14 3
10
8 2
+
5 9
=
82 18
8
+
5
=
41 9
11
5 9
+
7 4
=
83 36
12
2 4
+
4 3
=
22 12
2
+
4
=
11 6
13
4 3
+
5 5
=
35 15
4
+
5
=
7 3
14
1 5
+
4 9
=
29 45
15
6 4
+
3 8
=
15 8