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분수: 분모가 다른 덧셈6분수2

1
2 6
+
3 9
=
12 18
2
+
3
=
2 3
2
3 9
+
1 4
=
21 36
3
+
1
=
7 12
3
1 4
+
5 5
=
25 20
1
+
5
=
5 4
4
5 5
+
9 2
=
55 10
5
+
9
=
11 2
5
9 2
+
1 4
=
19 4
6
1 4
+
5 6
=
13 12
7
5 6
+
9 4
=
37 12
8
9 4
+
4 8
=
22 8
9
+
4
=
11 4
9
1 3
+
8 6
=
10 6
1
+
8
=
5 3
10
8 6
+
7 5
=
82 30
8
+
7
=
41 15
11
5 7
+
4 8
=
68 56
5
+
4
=
17 14
12
4 8
+
2 6
=
20 24
4
+
2
=
5 6
13
2 6
+
5 4
=
19 12
14
5 4
+
9 7
=
71 28
15
9 7
+
1 2
=
25 14