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분수: 분모가 다른 덧셈3분수2

1
9 2
+
6 8
=
42 8
9
+
6
=
21 4
2
5 8
+
3 5
=
49 40
3
3 5
+
7 4
=
47 20
4
7 4
+
3 7
=
61 28
5
3 7
+
1 3
=
16 21
6
1 3
+
4 5
=
17 15
7
6 5
+
9 7
=
87 35
8
9 7
+
2 8
=
86 56
9
+
2
=
43 28
9
2 8
+
6 5
=
58 40
2
+
6
=
29 20
10
6 5
+
4 9
=
74 45
11
9 9
+
3 5
=
72 45
9
+
3
=
8 5
12
3 5
+
6 6
=
48 30
3
+
6
=
8 5
13
6 6
+
3 2
=
15 6
6
+
3
=
5 2
14
2 2
+
1 7
=
16 14
2
+
1
=
8 7
15
7 6
+
1 7
=
55 42