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분수: 분모가 다른 덧셈1분수2

1
1 2
+
6 3
=
15 6
1
+
6
=
5 2
2
1 3
+
3 9
=
6 9
1
+
3
=
2 3
3
3 9
+
7 4
=
75 36
3
+
7
=
25 12
4
7 4
+
9 8
=
23 8
5
3 2
+
6 3
=
21 6
3
+
6
=
7 2
6
3 4
+
1 2
=
5 4
7
1 2
+
4 6
=
7 6
8
6 5
+
1 4
=
29 20
9
1 4
+
2 6
=
7 12
10
9 6
+
3 2
=
18 6
9
+
3
=
3
11
3 2
+
7 3
=
23 6
12
7 3
+
9 8
=
83 24
13
9 8
+
3 6
=
39 24
9
+
3
=
13 8
14
3 6
+
5 8
=
27 24
3
+
5
=
9 8
15
5 8
+
4 4
=
13 8