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분수: 분모가 다른 덧셈2분수2

1
2 2
+
9 6
=
15 6
2
+
9
=
5 2
2
2 6
+
4 7
=
38 42
2
+
4
=
19 21
3
7 4
+
3 3
=
33 12
7
+
3
=
11 4
4
3 3
+
9 5
=
42 15
3
+
9
=
14 5
5
9 5
+
2 8
=
82 40
9
+
2
=
41 20
6
8 2
+
3 6
=
27 6
8
+
3
=
9 2
7
3 6
+
1 9
=
11 18
8
1 9
+
3 5
=
32 45
9
6 5
+
2 6
=
46 30
6
+
2
=
23 15
10
1 7
+
2 3
=
17 21
11
2 3
+
1 7
=
17 21
12
1 7
+
8 5
=
61 35
13
8 5
+
6 7
=
86 35
14
6 7
+
1 3
=
25 21
15
1 3
+
9 4
=
31 12