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분수: 분모가 다른 덧셈5분수1

1
1 6
+
4 7
=
31 42
2
4 7
+
8 2
=
64 14
4
+
8
=
32 7
3
8 2
+
6 3
=
36 6
8
+
6
=
6
4
5 3
+
2 6
=
12 6
5
+
2
=
2
5
2 6
+
1 7
=
20 42
2
+
1
=
10 21
6
1 7
+
5 4
=
39 28
7
5 4
+
2 3
=
23 12
8
3 4
+
2 5
=
23 20
9
2 5
+
6 8
=
46 40
2
+
6
=
23 20
10
6 8
+
7 4
=
20 8
6
+
7
=
5 2
11
3 4
+
7 5
=
43 20
12
7 5
+
3 8
=
71 40
13
3 8
+
5 5
=
55 40
3
+
5
=
11 8
14
9 5
+
5 4
=
61 20
15
5 4
+
1 6
=
17 12