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분수: 분모가 다른 덧셈2분수2

1
2 2
+
5 4
=
9 4
2
5 4
+
3 7
=
47 28
3
7 3
+
3 7
=
58 21
4
3 7
+
2 9
=
41 63
5
2 9
+
1 2
=
13 18
6
1 2
+
3 5
=
11 10
7
3 5
+
6 8
=
54 40
3
+
6
=
27 20
8
8 4
+
1 8
=
17 8
9
1 8
+
4 5
=
37 40
10
4 5
+
6 4
=
46 20
4
+
6
=
23 10
11
4 2
+
1 6
=
13 6
12
6 3
+
1 5
=
33 15
6
+
1
=
11 5
13
5 4
+
3 2
=
11 4
14
3 2
+
4 4
=
10 4
3
+
4
=
5 2
15
6 4
+
8 2
=
22 4
6
+
8
=
11 2