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분수: 분모가 다른 덧셈4분수4

1
4 4
+
9 5
=
56 20
4
+
9
=
14 5
2
5 9
+
9 3
=
32 9
3
9 3
+
6 2
=
36 6
9
+
6
=
6
4
6 2
+
2 8
=
26 8
6
+
2
=
13 4
5
8 2
+
3 8
=
35 8
6
1 4
+
2 2
=
5 4
7
2 8
+
1 2
=
6 8
2
+
1
=
3 4
8
5 2
+
4 7
=
43 14
9
1 4
+
4 7
=
23 28
10
7 4
+
3 2
=
13 4
11
2 3
+
6 4
=
26 12
2
+
6
=
13 6
12
6 4
+
1 2
=
8 4
6
+
1
=
2
13
1 2
+
3 6
=
6 6
1
+
3
=
1
14
3 6
+
8 5
=
63 30
3
+
8
=
21 10
15
8 5
+
2 3
=
34 15