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분수: 분모가 다른 덧셈2분수0

1
9 2
+
2 4
=
20 4
9
+
2
=
5
2
2 4
+
6 9
=
42 36
2
+
6
=
7 6
3
6 9
+
4 5
=
66 45
6
+
4
=
22 15
4
5 4
+
1 3
=
19 12
5
3 3
+
5 6
=
11 6
6
5 6
+
3 2
=
14 6
5
+
3
=
7 3
7
2 3
+
4 6
=
8 6
2
+
4
=
4 3
8
4 6
+
8 5
=
68 30
4
+
8
=
34 15
9
8 5
+
1 8
=
69 40
10
1 8
+
9 5
=
77 40
11
9 5
+
2 8
=
82 40
9
+
2
=
41 20
12
2 8
+
3 6
=
18 24
2
+
3
=
3 4
13
3 6
+
7 9
=
23 18
14
7 9
+
3 4
=
55 36
15
3 4
+
2 9
=
35 36