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분수: 분모가 다른 덧셈2분수2

1
2 2
+
6 3
=
18 6
2
+
6
=
3
2
3 7
+
1 3
=
16 21
3
1 3
+
6 5
=
23 15
4
5 9
+
1 6
=
13 18
5
1 6
+
9 2
=
28 6
1
+
9
=
14 3
6
9 2
+
8 5
=
61 10
7
3 5
+
5 8
=
49 40
8
5 8
+
8 5
=
89 40
9
8 5
+
1 3
=
29 15
10
1 3
+
4 9
=
7 9
11
9 4
+
8 5
=
77 20
12
8 5
+
5 4
=
57 20
13
4 5
+
8 4
=
56 20
4
+
8
=
14 5
14
8 4
+
2 7
=
64 28
8
+
2
=
16 7
15
2 7
+
6 6
=
54 42
2
+
6
=
9 7