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분수: 분모가 다른 덧셈1분수1

1
1 4
+
2 6
=
7 12
2
2 6
+
8 7
=
62 42
2
+
8
=
31 21
3
7 3
+
1 5
=
38 15
4
1 5
+
7 6
=
41 30
5
7 6
+
2 9
=
25 18
6
2 9
+
8 2
=
76 18
2
+
8
=
38 9
7
1 2
+
5 5
=
15 10
1
+
5
=
3 2
8
5 5
+
8 9
=
85 45
5
+
8
=
17 9
9
8 9
+
2 5
=
58 45
10
3 5
+
1 3
=
14 15
11
1 3
+
3 6
=
5 6
12
3 6
+
5 2
=
18 6
3
+
5
=
3
13
5 2
+
6 5
=
37 10
14
6 5
+
3 7
=
57 35
15
3 7
+
2 3
=
23 21