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분수: 분모가 다른 덧셈2분수6

1
6 2
+
2 4
=
14 4
6
+
2
=
7 2
2
2 4
+
1 8
=
5 8
3
1 8
+
2 5
=
21 40
4
4 5
+
7 6
=
59 30
5
6 5
+
1 7
=
47 35
6
1 7
+
3 6
=
27 42
1
+
3
=
9 14
7
1 4
+
3 8
=
5 8
8
3 8
+
4 4
=
11 8
9
4 4
+
5 3
=
32 12
4
+
5
=
8 3
10
3 5
+
1 6
=
23 30
11
1 6
+
6 3
=
13 6
12
6 3
+
5 6
=
17 6
13
5 6
+
8 3
=
21 6
5
+
8
=
7 2
14
8 3
+
3 8
=
73 24
15
3 8
+
2 5
=
31 40