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분수: 분모가 다른 덧셈2분수4

1
2 4
+
6 3
=
30 12
2
+
6
=
5 2
2
3 4
+
1 2
=
5 4
3
5 2
+
8 6
=
23 6
4
8 6
+
7 3
=
22 6
8
+
7
=
11 3
5
7 3
+
6 2
=
32 6
7
+
6
=
16 3
6
6 2
+
4 7
=
50 14
6
+
4
=
25 7
7
7 4
+
2 9
=
71 36
8
2 9
+
1 7
=
23 63
9
1 2
+
8 5
=
21 10
10
8 5
+
6 8
=
94 40
8
+
6
=
47 20
11
6 8
+
5 9
=
94 72
6
+
5
=
47 36
12
5 9
+
1 5
=
34 45
13
1 5
+
2 6
=
16 30
1
+
2
=
8 15
14
2 6
+
1 4
=
7 12
15
1 4
+
9 5
=
41 20