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분수: 분모가 다른 덧셈6분수2

1
6 2
+
4 8
=
28 8
6
+
4
=
7 2
2
4 8
+
6 5
=
68 40
4
+
6
=
17 10
3
5 6
+
8 5
=
73 30
4
5 8
+
7 5
=
81 40
5
7 5
+
1 7
=
54 35
6
1 7
+
4 6
=
34 42
1
+
4
=
17 21
7
1 4
+
3 2
=
7 4
8
3 2
+
2 3
=
13 6
9
2 3
+
6 2
=
22 6
2
+
6
=
11 3
10
6 2
+
5 8
=
29 8
11
5 8
+
2 9
=
61 72
12
2 9
+
5 7
=
59 63
13
1 2
+
9 9
=
27 18
1
+
9
=
3 2
14
9 9
+
3 6
=
27 18
9
+
3
=
3 2
15
3 6
+
2 4
=
12 12
3
+
2
=
1