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분수: 분모가 다른 덧셈3분수3

1
3 3
+
2 9
=
11 9
2
2 9
+
8 4
=
80 36
2
+
8
=
20 9
3
4 3
+
1 5
=
23 15
4
1 5
+
3 6
=
21 30
1
+
3
=
7 10
5
6 3
+
4 4
=
36 12
6
+
4
=
3
6
4 2
+
5 3
=
22 6
4
+
5
=
11 3
7
5 3
+
8 8
=
64 24
5
+
8
=
8 3
8
8 8
+
2 3
=
40 24
8
+
2
=
5 3
9
2 4
+
1 7
=
18 28
2
+
1
=
9 14
10
1 7
+
6 2
=
44 14
1
+
6
=
22 7
11
6 2
+
2 3
=
22 6
6
+
2
=
11 3
12
2 3
+
5 5
=
25 15
2
+
5
=
5 3
13
5 5
+
4 4
=
40 20
5
+
4
=
2
14
4 4
+
5 5
=
40 20
4
+
5
=
2
15
5 7
+
1 2
=
17 14