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분수: 분모가 다른 덧셈2분수4

1
3 2
+
4 6
=
13 6
2
4 6
+
2 2
=
10 6
4
+
2
=
5 3
3
2 2
+
5 9
=
28 18
2
+
5
=
14 9
4
8 2
+
1 6
=
25 6
5
1 6
+
8 5
=
53 30
6
1 3
+
4 4
=
16 12
1
+
4
=
4 3
7
3 4
+
9 2
=
21 4
8
9 2
+
3 7
=
69 14
9
3 7
+
6 9
=
69 63
3
+
6
=
23 21
10
6 9
+
1 8
=
57 72
6
+
1
=
19 24
11
1 8
+
2 6
=
11 24
12
6 9
+
1 7
=
51 63
6
+
1
=
17 21
13
1 7
+
9 5
=
68 35
14
6 5
+
8 7
=
82 35
15
8 7
+
1 6
=
55 42