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분수: 분모가 다른 덧셈2분수2

1
1 2
+
8 8
=
12 8
1
+
8
=
3 2
2
8 8
+
1 7
=
64 56
8
+
1
=
8 7
3
1 5
+
3 2
=
17 10
4
1 2
+
3 6
=
6 6
1
+
3
=
1
5
3 6
+
1 4
=
9 12
3
+
1
=
3 4
6
1 3
+
3 9
=
6 9
1
+
3
=
2 3
7
3 9
+
4 4
=
48 36
3
+
4
=
4 3
8
4 4
+
8 6
=
28 12
4
+
8
=
7 3
9
8 6
+
3 3
=
14 6
8
+
3
=
7 3
10
3 3
+
5 4
=
27 12
3
+
5
=
9 4
11
5 4
+
4 2
=
13 4
12
2 2
+
9 3
=
24 6
2
+
9
=
4
13
9 3
+
6 4
=
54 12
9
+
6
=
9 2
14
6 4
+
5 9
=
74 36
6
+
5
=
37 18
15
5 9
+
8 2
=
82 18
5
+
8
=
41 9