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분수: 분모가 다른 덧셈6분수2

1
6 2
+
9 5
=
48 10
6
+
9
=
24 5
2
9 5
+
7 3
=
62 15
3
7 3
+
5 7
=
64 21
4
5 7
+
7 4
=
69 28
5
7 4
+
2 9
=
71 36
6
2 9
+
8 6
=
28 18
2
+
8
=
14 9
7
8 6
+
2 9
=
28 18
8
+
2
=
14 9
8
2 9
+
9 2
=
85 18
9
2 5
+
1 7
=
19 35
10
1 7
+
3 3
=
24 21
1
+
3
=
8 7
11
3 3
+
5 2
=
21 6
3
+
5
=
7 2
12
2 6
+
1 2
=
5 6
13
1 2
+
8 6
=
11 6
14
8 6
+
2 7
=
68 42
8
+
2
=
34 21
15
7 2
+
3 6
=
24 6
7
+
3
=
4