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분수: 분모가 다른 덧셈1분수2

1
2 7
+
1 8
=
23 56
2
1 8
+
5 2
=
21 8
3
5 2
+
8 5
=
41 10
4
8 5
+
1 4
=
37 20
5
4 4
+
1 5
=
24 20
4
+
1
=
6 5
6
1 5
+
5 2
=
27 10
7
2 7
+
1 6
=
19 42
8
1 6
+
8 2
=
25 6
9
8 2
+
6 5
=
52 10
8
+
6
=
26 5
10
6 5
+
8 8
=
88 40
6
+
8
=
11 5
11
8 8
+
4 6
=
40 24
8
+
4
=
5 3
12
4 6
+
6 7
=
64 42
4
+
6
=
32 21
13
6 7
+
5 3
=
53 21
14
3 5
+
9 4
=
57 20
15
9 4
+
2 6
=
31 12