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분수: 분모가 다른 덧셈2분수2

1
2 2
+
3 6
=
9 6
2
+
3
=
3 2
2
3 6
+
2 9
=
13 18
3
2 9
+
4 8
=
52 72
2
+
4
=
13 18
4
4 8
+
9 5
=
92 40
4
+
9
=
23 10
5
9 5
+
3 6
=
69 30
9
+
3
=
23 10
6
3 6
+
5 2
=
18 6
3
+
5
=
3
7
3 2
+
1 3
=
11 6
8
3 4
+
1 7
=
25 28
9
7 5
+
1 2
=
19 10
10
2 2
+
1 7
=
16 14
2
+
1
=
8 7
11
1 7
+
7 5
=
54 35
12
5 7
+
4 3
=
43 21
13
3 9
+
1 2
=
15 18
3
+
1
=
5 6
14
1 2
+
6 9
=
21 18
1
+
6
=
7 6
15
6 9
+
5 6
=
27 18
6
+
5
=
3 2