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분수: 분모가 다른 덧셈7분수8

1
7 8
+
5 9
=
103 72
2
5 9
+
6 5
=
79 45
3
6 5
+
2 6
=
46 30
6
+
2
=
23 15
4
1 8
+
3 5
=
29 40
5
3 5
+
6 2
=
36 10
3
+
6
=
18 5
6
2 6
+
1 3
=
4 6
2
+
1
=
2 3
7
7 3
+
4 8
=
68 24
7
+
4
=
17 6
8
8 4
+
3 6
=
30 12
8
+
3
=
5 2
9
6 3
+
5 9
=
23 9
10
9 4
+
1 3
=
31 12
11
1 3
+
5 2
=
17 6
12
5 2
+
4 3
=
23 6
13
3 6
+
1 7
=
27 42
3
+
1
=
9 14
14
1 7
+
9 4
=
67 28
15
9 4
+
7 2
=
23 4