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분수: 분모가 다른 덧셈3분수9

1
3 9
+
2 5
=
33 45
3
+
2
=
11 15
2
5 2
+
8 4
=
18 4
5
+
8
=
9 2
3
8 4
+
1 8
=
17 8
4
1 8
+
6 2
=
25 8
5
6 2
+
7 4
=
19 4
6
4 7
+
6 5
=
62 35
7
6 5
+
1 4
=
29 20
8
1 4
+
9 3
=
39 12
1
+
9
=
13 4
9
9 3
+
3 5
=
54 15
9
+
3
=
18 5
10
3 5
+
2 6
=
28 30
3
+
2
=
14 15
11
6 2
+
9 4
=
21 4
12
9 4
+
8 3
=
59 12
13
8 3
+
5 2
=
31 6
14
4 2
+
9 3
=
30 6
4
+
9
=
5
15
9 3
+
3 7
=
72 21
9
+
3
=
24 7