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분수: 분모가 다른 덧셈1분수3

1
5 3
+
3 9
=
18 9
5
+
3
=
2
2
9 3
+
1 7
=
66 21
9
+
1
=
22 7
3
1 7
+
5 2
=
37 14
4
5 2
+
3 7
=
41 14
5
3 7
+
6 4
=
54 28
3
+
6
=
27 14
6
6 4
+
2 5
=
38 20
6
+
2
=
19 10
7
2 5
+
5 9
=
43 45
8
5 9
+
9 2
=
91 18
9
9 2
+
6 5
=
57 10
10
6 5
+
2 4
=
34 20
6
+
2
=
17 10
11
2 4
+
4 2
=
10 4
2
+
4
=
5 2
12
4 2
+
2 5
=
24 10
4
+
2
=
12 5
13
5 5
+
1 4
=
25 20
5
+
1
=
5 4
14
1 7
+
5 5
=
40 35
1
+
5
=
8 7
15
5 5
+
4 7
=
55 35
5
+
4
=
11 7