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분수: 분모가 다른 덧셈3분수0

1
3 9
+
4 3
=
15 9
3
+
4
=
5 3
2
4 3
+
6 2
=
26 6
4
+
6
=
13 3
3
6 2
+
7 5
=
44 10
6
+
7
=
22 5
4
7 5
+
2 9
=
73 45
5
2 9
+
4 5
=
46 45
6
5 4
+
9 6
=
33 12
5
+
9
=
11 4
7
9 6
+
2 4
=
24 12
9
+
2
=
2
8
9 4
+
4 5
=
61 20
9
5 6
+
1 7
=
41 42
10
3 7
+
7 2
=
55 14
11
7 2
+
2 7
=
53 14
12
2 7
+
4 4
=
36 28
2
+
4
=
9 7
13
1 4
+
4 5
=
21 20
14
5 9
+
3 7
=
62 63
15
3 7
+
1 3
=
16 21