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분수: 분모가 다른 덧셈3분수1

1
1 3
+
9 4
=
31 12
2
9 4
+
5 6
=
37 12
3
5 6
+
3 5
=
43 30
4
3 5
+
1 2
=
11 10
5
1 2
+
5 5
=
15 10
1
+
5
=
3 2
6
5 5
+
3 8
=
55 40
5
+
3
=
11 8
7
3 8
+
6 2
=
27 8
8
2 7
+
1 5
=
17 35
9
1 5
+
7 7
=
42 35
1
+
7
=
6 5
10
7 7
+
9 4
=
91 28
7
+
9
=
13 4
11
9 4
+
1 7
=
67 28
12
1 7
+
3 3
=
24 21
1
+
3
=
8 7
13
3 3
+
9 5
=
42 15
3
+
9
=
14 5
14
9 5
+
6 4
=
66 20
9
+
6
=
33 10
15
6 4
+
2 6
=
22 12
6
+
2
=
11 6