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분수: 분모가 다른 덧셈6분수2

1
6 2
+
5 4
=
17 4
2
5 4
+
1 8
=
11 8
3
1 8
+
4 2
=
17 8
4
4 2
+
1 4
=
9 4
5
1 6
+
4 7
=
31 42
6
4 7
+
5 9
=
71 63
7
5 9
+
4 7
=
71 63
8
4 7
+
5 2
=
43 14
9
2 3
+
1 2
=
7 6
10
1 3
+
6 7
=
25 21
11
6 7
+
1 3
=
25 21
12
1 3
+
6 2
=
20 6
1
+
6
=
10 3
13
6 2
+
5 3
=
28 6
6
+
5
=
14 3
14
5 3
+
9 6
=
19 6
15
9 6
+
1 2
=
12 6
9
+
1
=
2