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분수: 분모가 다른 덧셈2분수6

1
6 2
+
2 8
=
26 8
6
+
2
=
13 4
2
2 8
+
4 9
=
50 72
2
+
4
=
25 36
3
9 4
+
3 5
=
57 20
4
5 4
+
1 5
=
29 20
5
5 9
+
1 3
=
8 9
6
1 4
+
7 7
=
35 28
1
+
7
=
5 4
7
7 7
+
2 9
=
77 63
7
+
2
=
11 9
8
2 9
+
9 3
=
29 9
9
6 3
+
2 5
=
36 15
6
+
2
=
12 5
10
4 5
+
6 2
=
38 10
4
+
6
=
19 5
11
6 2
+
9 4
=
21 4
12
9 4
+
5 6
=
37 12
13
5 6
+
2 3
=
9 6
5
+
2
=
3 2
14
8 3
+
2 5
=
46 15
15
5 2
+
3 9
=
51 18
5
+
3
=
17 6