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분수: 분모가 다른 덧셈2분수3

1
3 2
+
5 3
=
19 6
2
2 3
+
8 4
=
32 12
2
+
8
=
8 3
3
8 4
+
7 8
=
23 8
4
2 6
+
1 2
=
5 6
5
8 2
+
5 3
=
34 6
8
+
5
=
17 3
6
3 6
+
1 2
=
6 6
3
+
1
=
1
7
1 2
+
7 8
=
11 8
8
7 8
+
6 2
=
31 8
9
2 2
+
1 4
=
5 4
10
1 4
+
9 5
=
41 20
11
9 5
+
3 2
=
33 10
12
3 2
+
5 8
=
17 8
13
1 5
+
8 4
=
44 20
1
+
8
=
11 5
14
4 8
+
9 2
=
40 8
4
+
9
=
5
15
2 9
+
6 2
=
58 18
2
+
6
=
29 9