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분수: 분모가 다른 덧셈3분수2

1
1 3
+
4 5
=
17 15
2
4 5
+
5 6
=
49 30
3
5 6
+
8 9
=
31 18
4
8 9
+
2 5
=
58 45
5
5 8
+
1 7
=
43 56
6
1 7
+
5 9
=
44 63
7
5 9
+
9 2
=
91 18
8
9 2
+
2 9
=
85 18
9
2 9
+
1 2
=
13 18
10
1 2
+
6 3
=
15 6
1
+
6
=
5 2
11
3 5
+
1 3
=
14 15
12
1 3
+
4 6
=
6 6
1
+
4
=
1
13
1 8
+
4 7
=
39 56
14
4 7
+
6 5
=
62 35
15
6 5
+
4 8
=
68 40
6
+
4
=
17 10