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분수: 분모가 다른 덧셈2분수3

1
2 3
+
8 4
=
32 12
2
+
8
=
8 3
2
8 4
+
3 3
=
36 12
8
+
3
=
3
3
3 3
+
4 5
=
27 15
3
+
4
=
9 5
4
4 5
+
8 4
=
56 20
4
+
8
=
14 5
5
1 4
+
5 6
=
13 12
6
5 6
+
7 4
=
31 12
7
7 4
+
9 3
=
57 12
7
+
9
=
19 4
8
9 3
+
3 9
=
30 9
9
+
3
=
10 3
9
3 9
+
9 5
=
96 45
3
+
9
=
32 15
10
9 5
+
2 8
=
82 40
9
+
2
=
41 20
11
2 8
+
4 7
=
46 56
2
+
4
=
23 28
12
7 2
+
1 8
=
29 8
13
1 8
+
5 9
=
49 72
14
5 9
+
2 4
=
38 36
5
+
2
=
19 18
15
2 4
+
1 5
=
14 20
2
+
1
=
7 10