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분수: 분모가 다른 덧셈1분수2

1
1 2
+
2 5
=
9 10
2
2 5
+
1 7
=
19 35
3
1 7
+
6 2
=
44 14
1
+
6
=
22 7
4
6 2
+
9 6
=
27 6
6
+
9
=
9 2
5
9 6
+
1 7
=
69 42
9
+
1
=
23 14
6
1 7
+
9 4
=
67 28
7
9 4
+
1 5
=
49 20
8
1 5
+
3 2
=
17 10
9
2 6
+
1 8
=
11 24
10
1 8
+
4 3
=
35 24
11
1 9
+
2 5
=
23 45
12
2 5
+
7 9
=
53 45
13
7 9
+
4 2
=
50 18
7
+
4
=
25 9
14
3 2
+
8 3
=
25 6
15
8 3
+
2 4
=
38 12
8
+
2
=
19 6