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분수: 분모가 다른 덧셈3분수3

1
3 3
+
2 2
=
12 6
3
+
2
=
2
2
1 2
+
5 6
=
8 6
1
+
5
=
4 3
3
5 6
+
4 4
=
22 12
5
+
4
=
11 6
4
4 4
+
2 2
=
8 4
4
+
2
=
2
5
2 2
+
8 9
=
34 18
2
+
8
=
17 9
6
3 9
+
1 5
=
24 45
3
+
1
=
8 15
7
8 2
+
1 3
=
26 6
8
+
1
=
13 3
8
1 6
+
3 2
=
10 6
1
+
3
=
5 3
9
2 8
+
1 3
=
14 24
2
+
1
=
7 12
10
1 3
+
6 7
=
25 21
11
6 7
+
2 8
=
62 56
6
+
2
=
31 28
12
2 8
+
8 5
=
74 40
2
+
8
=
37 20
13
5 5
+
1 3
=
20 15
5
+
1
=
4 3
14
1 3
+
7 4
=
25 12
15
7 4
+
3 7
=
61 28