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분수: 분모가 다른 덧셈7분수7

1
7 7
+
3 2
=
35 14
7
+
3
=
5 2
2
3 2
+
4 6
=
13 6
3
4 6
+
2 5
=
32 30
4
+
2
=
16 15
4
2 5
+
1 6
=
17 30
5
1 6
+
3 5
=
23 30
6
3 5
+
1 8
=
29 40
7
1 8
+
8 6
=
35 24
8
8 6
+
4 2
=
20 6
8
+
4
=
10 3
9
2 4
+
7 7
=
42 28
2
+
7
=
3 2
10
7 7
+
6 4
=
70 28
7
+
6
=
5 2
11
6 4
+
5 3
=
38 12
6
+
5
=
19 6
12
3 6
+
1 5
=
21 30
3
+
1
=
7 10
13
1 5
+
4 7
=
27 35
14
1 5
+
3 9
=
24 45
1
+
3
=
8 15
15
9 7
+
1 3
=
34 21