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분수: 분모가 다른 덧셈1분수2

1
3 2
+
2 4
=
8 4
3
+
2
=
2
2
4 4
+
5 2
=
14 4
4
+
5
=
7 2
3
5 2
+
4 4
=
14 4
5
+
4
=
7 2
4
9 4
+
2 3
=
35 12
5
2 3
+
4 9
=
10 9
6
4 9
+
2 5
=
38 45
7
2 5
+
8 6
=
52 30
2
+
8
=
26 15
8
8 6
+
4 7
=
80 42
8
+
4
=
40 21
9
4 7
+
1 4
=
23 28
10
6 2
+
3 5
=
36 10
6
+
3
=
18 5
11
3 5
+
2 8
=
34 40
3
+
2
=
17 20
12
2 8
+
3 6
=
18 24
2
+
3
=
3 4
13
3 6
+
1 5
=
21 30
3
+
1
=
7 10
14
1 2
+
2 5
=
9 10
15
1 9
+
4 8
=
44 72
1
+
4
=
11 18