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분수: 분모가 다른 덧셈5분수7

1
5 7
+
8 6
=
86 42
5
+
8
=
43 21
2
8 6
+
4 5
=
64 30
8
+
4
=
32 15
3
5 4
+
8 2
=
21 4
4
8 2
+
4 4
=
20 4
8
+
4
=
5
5
4 4
+
1 8
=
9 8
6
1 8
+
4 5
=
37 40
7
4 5
+
8 6
=
64 30
4
+
8
=
32 15
8
8 6
+
4 9
=
32 18
8
+
4
=
16 9
9
4 9
+
1 5
=
29 45
10
1 5
+
5 4
=
29 20
11
5 4
+
4 6
=
23 12
12
4 6
+
5 5
=
50 30
4
+
5
=
5 3
13
5 5
+
2 3
=
25 15
5
+
2
=
5 3
14
2 3
+
8 7
=
38 21
15
8 7
+
3 6
=
69 42
8
+
3
=
23 14