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분수: 분모가 다른 덧셈3분수2

1
3 2
+
2 8
=
14 8
3
+
2
=
7 4
2
2 8
+
3 7
=
38 56
2
+
3
=
19 28
3
7 3
+
4 8
=
68 24
7
+
4
=
17 6
4
4 8
+
1 7
=
36 56
4
+
1
=
9 14
5
1 8
+
8 4
=
17 8
6
8 4
+
4 3
=
40 12
8
+
4
=
10 3
7
3 3
+
5 8
=
39 24
3
+
5
=
13 8
8
5 8
+
3 6
=
27 24
5
+
3
=
9 8
9
3 6
+
5 3
=
13 6
10
5 3
+
3 5
=
34 15
11
1 4
+
4 6
=
11 12
12
6 4
+
7 2
=
20 4
6
+
7
=
5
13
7 2
+
8 9
=
79 18
14
8 9
+
6 4
=
86 36
8
+
6
=
43 18
15
6 4
+
1 6
=
20 12
6
+
1
=
5 3