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분수: 분모가 다른 덧셈4분수0

1
9 6
+
1 2
=
12 6
9
+
1
=
2
2
1 2
+
9 4
=
11 4
3
9 4
+
2 9
=
89 36
4
2 9
+
4 2
=
40 18
2
+
4
=
20 9
5
3 2
+
4 8
=
16 8
3
+
4
=
2
6
1 8
+
3 4
=
7 8
7
4 3
+
5 7
=
43 21
8
5 7
+
6 4
=
62 28
5
+
6
=
31 14
9
4 6
+
3 2
=
13 6
10
3 2
+
2 5
=
19 10
11
2 5
+
8 6
=
52 30
2
+
8
=
26 15
12
8 6
+
4 5
=
64 30
8
+
4
=
32 15
13
4 5
+
3 2
=
23 10
14
3 2
+
4 9
=
35 18
15
4 9
+
3 6
=
17 18