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분수: 분모가 다른 덧셈3분수3

1
3 5
+
1 9
=
32 45
2
1 9
+
6 3
=
19 9
3
6 3
+
7 6
=
19 6
4
7 6
+
2 8
=
34 24
7
+
2
=
17 12
5
2 8
+
1 5
=
18 40
2
+
1
=
9 20
6
1 5
+
3 6
=
21 30
1
+
3
=
7 10
7
1 6
+
2 3
=
5 6
8
1 7
+
8 5
=
61 35
9
8 5
+
6 4
=
62 20
8
+
6
=
31 10
10
8 4
+
4 8
=
20 8
8
+
4
=
5 2
11
3 9
+
6 5
=
69 45
3
+
6
=
23 15
12
4 5
+
5 2
=
33 10
13
5 2
+
9 3
=
33 6
5
+
9
=
11 2
14
1 8
+
4 9
=
41 72
15
4 9
+
2 3
=
10 9