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분수: 분모가 다른 덧셈5분수3

1
5 3
+
9 4
=
47 12
2
9 4
+
2 8
=
20 8
9
+
2
=
5 2
3
1 6
+
5 3
=
11 6
4
5 3
+
7 2
=
31 6
5
2 5
+
1 4
=
13 20
6
1 4
+
6 5
=
29 20
7
6 5
+
3 7
=
57 35
8
3 7
+
6 3
=
51 21
3
+
6
=
17 7
9
6 3
+
8 7
=
66 21
6
+
8
=
22 7
10
7 8
+
4 2
=
23 8
11
2 3
+
1 7
=
17 21
12
1 7
+
4 2
=
30 14
1
+
4
=
15 7
13
4 2
+
5 9
=
46 18
4
+
5
=
23 9
14
5 9
+
6 4
=
74 36
5
+
6
=
37 18
15
7 4
+
5 3
=
41 12