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분수: 분모가 다른 덧셈2분수5

1
4 9
+
1 2
=
17 18
2
1 2
+
3 4
=
5 4
3
4 4
+
1 3
=
16 12
4
+
1
=
4 3
4
9 3
+
2 5
=
51 15
9
+
2
=
17 5
5
2 5
+
4 3
=
26 15
6
4 3
+
3 7
=
37 21
7
1 5
+
2 8
=
18 40
1
+
2
=
9 20
8
2 8
+
4 7
=
46 56
2
+
4
=
23 28
9
4 7
+
8 3
=
68 21
10
3 4
+
1 2
=
5 4
11
1 2
+
8 6
=
11 6
12
8 6
+
3 3
=
14 6
8
+
3
=
7 3
13
3 3
+
8 2
=
30 6
3
+
8
=
5
14
8 2
+
3 8
=
35 8
15
3 8
+
1 2
=
7 8