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분수: 분모가 다른 덧셈2분수1

1
1 5
+
2 9
=
19 45
2
2 9
+
6 5
=
64 45
3
6 5
+
3 7
=
57 35
4
3 7
+
4 2
=
34 14
3
+
4
=
17 7
5
4 2
+
9 7
=
46 14
4
+
9
=
23 7
6
9 7
+
5 9
=
116 63
7
5 9
+
3 6
=
19 18
8
3 6
+
1 3
=
5 6
9
6 3
+
4 7
=
54 21
6
+
4
=
18 7
10
7 4
+
3 8
=
17 8
11
8 8
+
1 5
=
48 40
8
+
1
=
6 5
12
1 5
+
9 7
=
52 35
13
9 7
+
2 6
=
68 42
9
+
2
=
34 21
14
2 6
+
1 4
=
7 12
15
1 4
+
9 6
=
21 12
1
+
9
=
7 4