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분수: 분모가 다른 덧셈2분수4

1
2 4
+
7 3
=
34 12
2
+
7
=
17 6
2
7 3
+
4 7
=
61 21
3
4 7
+
3 6
=
45 42
4
+
3
=
15 14
4
3 6
+
9 3
=
21 6
3
+
9
=
7 2
5
9 3
+
6 2
=
36 6
9
+
6
=
6
6
5 2
+
4 8
=
24 8
5
+
4
=
3
7
6 2
+
5 6
=
23 6
8
5 6
+
1 3
=
7 6
9
1 3
+
7 5
=
26 15
10
7 5
+
4 8
=
76 40
7
+
4
=
19 10
11
8 4
+
4 7
=
72 28
8
+
4
=
18 7
12
4 7
+
3 5
=
41 35
13
5 5
+
1 6
=
35 30
5
+
1
=
7 6
14
1 7
+
8 4
=
60 28
1
+
8
=
15 7
15
8 4
+
4 8
=
20 8
8
+
4
=
5 2