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분수: 분모가 다른 덧셈3분수3

1
3 3
+
2 2
=
12 6
3
+
2
=
2
2
2 2
+
5 7
=
24 14
2
+
5
=
12 7
3
7 5
+
8 9
=
103 45
4
9 8
+
3 7
=
87 56
5
3 7
+
8 5
=
71 35
6
8 5
+
3 3
=
39 15
8
+
3
=
13 5
7
3 3
+
4 4
=
24 12
3
+
4
=
2
8
2 4
+
8 5
=
42 20
2
+
8
=
21 10
9
8 5
+
2 9
=
82 45
10
2 9
+
3 7
=
41 63
11
3 7
+
8 4
=
68 28
3
+
8
=
17 7
12
8 4
+
9 3
=
60 12
8
+
9
=
5
13
9 3
+
3 8
=
81 24
9
+
3
=
27 8
14
3 8
+
4 2
=
19 8
15
4 2
+
1 5
=
22 10
4
+
1
=
11 5