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분수: 분모가 다른 덧셈3분수9

1
3 9
+
6 5
=
69 45
3
+
6
=
23 15
2
6 5
+
4 8
=
68 40
6
+
4
=
17 10
3
1 5
+
5 6
=
31 30
4
1 6
+
4 9
=
11 18
5
4 9
+
5 2
=
53 18
6
5 2
+
3 3
=
21 6
5
+
3
=
7 2
7
3 3
+
9 4
=
39 12
3
+
9
=
13 4
8
1 3
+
9 4
=
31 12
9
9 4
+
4 6
=
35 12
10
4 6
+
8 2
=
28 6
4
+
8
=
14 3
11
2 8
+
3 6
=
18 24
2
+
3
=
3 4
12
3 6
+
1 7
=
27 42
3
+
1
=
9 14
13
7 4
+
1 7
=
53 28
14
1 7
+
8 6
=
62 42
1
+
8
=
31 21
15
8 6
+
9 2
=
35 6