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분수: 분모가 다른 덧셈8분수2

1
8 2
+
3 7
=
62 14
8
+
3
=
31 7
2
3 7
+
4 6
=
46 42
3
+
4
=
23 21
3
6 5
+
1 9
=
59 45
4
1 4
+
4 6
=
11 12
5
4 6
+
2 5
=
32 30
4
+
2
=
16 15
6
5 5
+
1 3
=
20 15
5
+
1
=
4 3
7
3 5
+
1 3
=
14 15
8
1 3
+
6 4
=
22 12
1
+
6
=
11 6
9
6 4
+
4 3
=
34 12
6
+
4
=
17 6
10
4 3
+
2 7
=
34 21
11
7 2
+
8 6
=
29 6
12
1 4
+
9 2
=
19 4
13
2 3
+
1 7
=
17 21
14
1 7
+
7 3
=
52 21
15
7 3
+
5 2
=
29 6