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분수: 분모가 다른 덧셈2분수4

1
2 4
+
7 3
=
34 12
2
+
7
=
17 6
2
3 8
+
1 2
=
7 8
3
1 2
+
4 3
=
11 6
4
4 3
+
5 4
=
31 12
5
4 5
+
7 6
=
59 30
6
7 6
+
5 8
=
43 24
7
8 9
+
1 5
=
49 45
8
8 5
+
4 6
=
68 30
8
+
4
=
34 15
9
4 6
+
3 7
=
46 42
4
+
3
=
23 21
10
3 7
+
9 4
=
75 28
11
9 4
+
8 3
=
59 12
12
8 3
+
5 5
=
55 15
8
+
5
=
11 3
13
1 5
+
2 2
=
12 10
1
+
2
=
6 5
14
2 2
+
5 3
=
16 6
2
+
5
=
8 3
15
5 3
+
4 5
=
37 15