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분수: 분모가 다른 덧셈5분수3

1
5 3
+
7 4
=
41 12
2
7 4
+
5 6
=
31 12
3
9 6
+
1 2
=
12 6
9
+
1
=
2
4
1 2
+
3 5
=
11 10
5
5 4
+
1 2
=
7 4
6
5 2
+
7 9
=
59 18
7
7 9
+
3 4
=
55 36
8
3 4
+
7 5
=
43 20
9
7 5
+
1 9
=
68 45
10
1 2
+
7 7
=
21 14
1
+
7
=
3 2
11
7 7
+
6 2
=
56 14
7
+
6
=
4
12
6 2
+
9 3
=
36 6
6
+
9
=
6
13
9 3
+
5 6
=
23 6
14
5 6
+
6 2
=
23 6
15
2 2
+
5 9
=
28 18
2
+
5
=
14 9