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분수: 분모가 다른 덧셈5분수2

1
2 6
+
1 2
=
5 6
2
1 3
+
6 5
=
23 15
3
6 5
+
4 8
=
68 40
6
+
4
=
17 10
4
4 8
+
2 9
=
52 72
4
+
2
=
13 18
5
2 9
+
3 3
=
11 9
6
1 7
+
2 5
=
19 35
7
2 5
+
1 6
=
17 30
8
2 6
+
1 8
=
11 24
9
1 8
+
3 2
=
13 8
10
1 2
+
4 3
=
11 6
11
3 8
+
1 4
=
5 8
12
1 4
+
8 5
=
37 20
13
8 5
+
7 7
=
91 35
8
+
7
=
13 5
14
7 7
+
4 4
=
56 28
7
+
4
=
2
15
4 4
+
5 8
=
13 8