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분수: 분모가 다른 덧셈3분수1

1
1 8
+
5 2
=
21 8
2
5 2
+
3 5
=
31 10
3
3 5
+
8 4
=
52 20
3
+
8
=
13 5
4
4 8
+
6 5
=
68 40
4
+
6
=
17 10
5
6 5
+
1 6
=
41 30
6
6 5
+
1 7
=
47 35
7
1 7
+
2 9
=
23 63
8
9 2
+
3 7
=
69 14
9
7 2
+
1 7
=
51 14
10
1 7
+
4 6
=
34 42
1
+
4
=
17 21
11
4 6
+
2 8
=
22 24
4
+
2
=
11 12
12
8 4
+
5 5
=
60 20
8
+
5
=
3
13
5 5
+
2 8
=
50 40
5
+
2
=
5 4
14
2 8
+
3 2
=
14 8
2
+
3
=
7 4
15
3 2
+
4 7
=
29 14