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분수: 분모가 다른 덧셈3분수4

1
3 4
+
5 3
=
29 12
2
8 3
+
5 9
=
29 9
3
5 9
+
3 5
=
52 45
4
5 7
+
1 4
=
27 28
5
1 4
+
8 7
=
39 28
6
8 7
+
2 2
=
30 14
8
+
2
=
15 7
7
2 2
+
8 5
=
26 10
2
+
8
=
13 5
8
8 5
+
6 6
=
78 30
8
+
6
=
13 5
9
6 9
+
1 2
=
21 18
6
+
1
=
7 6
10
1 3
+
9 9
=
12 9
1
+
9
=
4 3
11
9 6
+
1 2
=
12 6
9
+
1
=
2
12
5 4
+
4 6
=
23 12
13
4 6
+
6 2
=
22 6
4
+
6
=
11 3
14
2 6
+
1 3
=
4 6
2
+
1
=
2 3
15
1 3
+
5 9
=
8 9