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분수: 분모가 다른 덧셈4분수8

1
4 8
+
5 4
=
14 8
4
+
5
=
7 4
2
3 4
+
2 9
=
35 36
3
2 9
+
4 6
=
16 18
2
+
4
=
8 9
4
4 6
+
7 2
=
25 6
5
7 2
+
4 5
=
43 10
6
4 5
+
3 2
=
23 10
7
3 2
+
6 3
=
21 6
3
+
6
=
7 2
8
6 3
+
7 4
=
45 12
6
+
7
=
15 4
9
7 4
+
4 6
=
29 12
10
4 6
+
2 3
=
8 6
4
+
2
=
4 3
11
2 3
+
3 7
=
23 21
12
3 7
+
2 6
=
32 42
3
+
2
=
16 21
13
1 3
+
9 7
=
34 21
14
7 4
+
1 5
=
39 20
15
5 9
+
8 3
=
29 9