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분수: 분모가 다른 덧셈3분수6

1
3 6
+
4 5
=
39 30
3
+
4
=
13 10
2
4 5
+
9 7
=
73 35
3
9 7
+
2 4
=
50 28
9
+
2
=
25 14
4
1 2
+
2 4
=
4 4
1
+
2
=
1
5
2 4
+
3 3
=
18 12
2
+
3
=
3 2
6
3 3
+
2 8
=
30 24
3
+
2
=
5 4
7
2 8
+
1 7
=
22 56
2
+
1
=
11 28
8
1 7
+
5 5
=
40 35
1
+
5
=
8 7
9
1 5
+
5 3
=
28 15
10
5 8
+
1 9
=
53 72
11
1 9
+
2 6
=
8 18
1
+
2
=
4 9
12
2 6
+
6 5
=
46 30
2
+
6
=
23 15
13
2 6
+
1 3
=
4 6
2
+
1
=
2 3
14
1 3
+
5 2
=
17 6
15
5 2
+
4 3
=
23 6