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분수: 분모가 다른 덧셈2분수0

1
2 4
+
3 6
=
12 12
2
+
3
=
1
2
1 9
+
3 4
=
31 36
3
3 4
+
2 6
=
13 12
4
6 2
+
5 3
=
28 6
6
+
5
=
14 3
5
2 3
+
8 4
=
32 12
2
+
8
=
8 3
6
8 4
+
5 6
=
34 12
8
+
5
=
17 6
7
5 6
+
8 4
=
34 12
5
+
8
=
17 6
8
8 4
+
6 6
=
36 12
8
+
6
=
3
9
6 6
+
4 7
=
66 42
6
+
4
=
11 7
10
4 7
+
9 6
=
87 42
4
+
9
=
29 14
11
6 3
+
1 9
=
19 9
12
9 4
+
1 8
=
19 8
13
1 8
+
5 2
=
21 8
14
5 3
+
1 5
=
28 15
15
1 5
+
9 6
=
51 30
1
+
9
=
17 10