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분수: 분모가 다른 덧셈3분수2

1
3 2
+
8 4
=
14 4
3
+
8
=
7 2
2
8 4
+
5 2
=
18 4
8
+
5
=
9 2
3
5 2
+
1 9
=
47 18
4
1 9
+
5 7
=
52 63
5
5 7
+
8 6
=
86 42
5
+
8
=
43 21
6
8 6
+
1 3
=
10 6
8
+
1
=
5 3
7
1 3
+
3 8
=
17 24
8
3 8
+
1 3
=
17 24
9
3 9
+
1 4
=
21 36
3
+
1
=
7 12
10
4 7
+
1 8
=
39 56
11
1 8
+
7 5
=
61 40
12
7 5
+
6 4
=
58 20
7
+
6
=
29 10
13
1 8
+
8 4
=
17 8
14
4 9
+
1 2
=
17 18
15
1 2
+
3 4
=
5 4