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분수: 분모가 다른 덧셈3분수6

1
3 6
+
9 5
=
69 30
3
+
9
=
23 10
2
9 5
+
2 9
=
91 45
3
2 9
+
4 2
=
40 18
2
+
4
=
20 9
4
4 2
+
6 4
=
14 4
4
+
6
=
7 2
5
2 5
+
1 8
=
21 40
6
4 5
+
1 6
=
29 30
7
1 6
+
4 4
=
14 12
1
+
4
=
7 6
8
4 4
+
5 5
=
40 20
4
+
5
=
2
9
5 5
+
2 4
=
30 20
5
+
2
=
3 2
10
2 4
+
1 2
=
4 4
2
+
1
=
1
11
1 2
+
2 6
=
5 6
12
2 6
+
1 2
=
5 6
13
1 2
+
4 4
=
6 4
1
+
4
=
3 2
14
4 2
+
1 3
=
14 6
4
+
1
=
7 3
15
2 3
+
5 6
=
9 6
2
+
5
=
3 2