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분수: 분모가 다른 덧셈4분수6

1
6 4
+
5 2
=
16 4
6
+
5
=
4
2
5 2
+
8 3
=
31 6
3
8 3
+
5 9
=
29 9
4
9 5
+
1 4
=
41 20
5
4 4
+
1 2
=
6 4
4
+
1
=
3 2
6
2 2
+
1 6
=
7 6
7
1 6
+
5 2
=
16 6
1
+
5
=
8 3
8
5 2
+
1 3
=
17 6
9
1 3
+
8 8
=
32 24
1
+
8
=
4 3
10
8 8
+
2 7
=
72 56
8
+
2
=
9 7
11
2 7
+
5 9
=
53 63
12
5 9
+
3 4
=
47 36
13
3 4
+
9 6
=
27 12
3
+
9
=
9 4
14
8 6
+
1 4
=
19 12
15
1 4
+
4 5
=
21 20