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분수: 분모가 다른 덧셈4분수5

1
4 5
+
5 4
=
41 20
2
5 4
+
1 8
=
11 8
3
1 3
+
4 2
=
14 6
1
+
4
=
7 3
4
6 4
+
1 7
=
46 28
6
+
1
=
23 14
5
1 7
+
4 6
=
34 42
1
+
4
=
17 21
6
4 6
+
9 3
=
22 6
4
+
9
=
11 3
7
3 9
+
7 6
=
27 18
3
+
7
=
3 2
8
6 9
+
1 8
=
57 72
6
+
1
=
19 24
9
1 8
+
4 2
=
17 8
10
4 2
+
8 7
=
44 14
4
+
8
=
22 7
11
8 7
+
6 4
=
74 28
8
+
6
=
37 14
12
5 4
+
6 3
=
39 12
5
+
6
=
13 4
13
6 3
+
1 6
=
13 6
14
1 8
+
2 5
=
21 40
15
2 5
+
1 9
=
23 45