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분수: 분모가 다른 덧셈3분수9

1
3 9
+
7 6
=
27 18
3
+
7
=
3 2
2
7 6
+
3 9
=
27 18
7
+
3
=
3 2
3
3 9
+
2 4
=
30 36
3
+
2
=
5 6
4
2 4
+
9 5
=
46 20
2
+
9
=
23 10
5
9 5
+
1 8
=
77 40
6
1 8
+
3 7
=
31 56
7
3 7
+
1 3
=
16 21
8
1 3
+
4 6
=
6 6
1
+
4
=
1
9
4 6
+
8 3
=
20 6
4
+
8
=
10 3
10
8 3
+
1 8
=
67 24
11
1 8
+
5 3
=
43 24
12
5 3
+
6 2
=
28 6
5
+
6
=
14 3
13
2 8
+
1 3
=
14 24
2
+
1
=
7 12
14
4 3
+
5 2
=
23 6
15
2 5
+
4 8
=
36 40
2
+
4
=
9 10