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분수: 분모가 다른 덧셈7분수6

1
7 6
+
2 9
=
25 18
2
2 9
+
7 2
=
67 18
3
7 2
+
3 7
=
55 14
4
3 7
+
8 3
=
65 21
5
3 9
+
1 4
=
21 36
3
+
1
=
7 12
6
1 4
+
8 7
=
39 28
7
8 7
+
6 4
=
74 28
8
+
6
=
37 14
8
4 6
+
9 5
=
74 30
4
+
9
=
37 15
9
9 5
+
4 8
=
92 40
9
+
4
=
23 10
10
4 8
+
3 6
=
24 24
4
+
3
=
1
11
6 3
+
7 4
=
45 12
6
+
7
=
15 4
12
7 4
+
3 2
=
13 4
13
3 2
+
2 6
=
11 6
14
2 6
+
4 3
=
10 6
2
+
4
=
5 3
15
4 3
+
3 2
=
17 6