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분수: 분모가 다른 덧셈3분수6

1
3 6
+
7 4
=
27 12
3
+
7
=
9 4
2
4 4
+
1 3
=
16 12
4
+
1
=
4 3
3
1 3
+
5 9
=
8 9
4
5 9
+
4 5
=
61 45
5
5 4
+
1 5
=
29 20
6
1 5
+
3 3
=
18 15
1
+
3
=
6 5
7
3 3
+
2 5
=
21 15
3
+
2
=
7 5
8
5 2
+
9 7
=
53 14
9
3 7
+
5 2
=
41 14
10
5 2
+
7 6
=
22 6
5
+
7
=
11 3
11
7 6
+
1 5
=
41 30
12
1 5
+
9 9
=
54 45
1
+
9
=
6 5
13
9 9
+
7 2
=
81 18
9
+
7
=
9 2
14
7 2
+
1 5
=
37 10
15
1 3
+
8 5
=
29 15