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분수: 분모가 다른 덧셈3분수6

1
3 6
+
7 2
=
24 6
3
+
7
=
4
2
7 2
+
3 6
=
24 6
7
+
3
=
4
3
6 3
+
1 6
=
13 6
4
1 6
+
2 9
=
7 18
5
2 9
+
8 7
=
86 63
6
7 4
+
1 2
=
9 4
7
1 2
+
6 7
=
19 14
8
6 7
+
8 5
=
86 35
9
8 5
+
6 3
=
54 15
8
+
6
=
18 5
10
3 3
+
4 9
=
13 9
11
4 9
+
2 6
=
14 18
4
+
2
=
7 9
12
5 3
+
2 9
=
17 9
13
2 9
+
4 5
=
46 45
14
4 5
+
3 7
=
43 35
15
7 3
+
1 8
=
59 24