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분수: 분모가 다른 덧셈3분수4

1
3 4
+
8 5
=
47 20
2
5 3
+
1 6
=
11 6
3
6 8
+
1 9
=
62 72
6
+
1
=
31 36
4
1 9
+
4 3
=
13 9
5
3 4
+
7 6
=
23 12
6
2 6
+
6 7
=
50 42
2
+
6
=
25 21
7
7 8
+
1 7
=
57 56
8
1 7
+
2 6
=
20 42
1
+
2
=
10 21
9
2 6
+
8 2
=
26 6
2
+
8
=
13 3
10
8 2
+
5 5
=
50 10
8
+
5
=
5
11
7 5
+
6 6
=
72 30
7
+
6
=
12 5
12
6 6
+
5 8
=
39 24
6
+
5
=
13 8
13
5 8
+
6 6
=
39 24
5
+
6
=
13 8
14
1 8
+
2 3
=
19 24
15
3 4
+
1 6
=
11 12