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분수: 분모가 다른 덧셈4분수4

1
4 4
+
3 5
=
32 20
4
+
3
=
8 5
2
3 5
+
9 4
=
57 20
3
4 5
+
1 8
=
37 40
4
1 8
+
3 7
=
31 56
5
3 7
+
1 3
=
16 21
6
3 8
+
1 2
=
7 8
7
1 2
+
7 6
=
10 6
1
+
7
=
5 3
8
7 6
+
3 3
=
13 6
9
3 3
+
5 2
=
21 6
3
+
5
=
7 2
10
5 2
+
7 5
=
39 10
11
5 2
+
1 7
=
37 14
12
1 7
+
6 4
=
46 28
1
+
6
=
23 14
13
6 4
+
5 5
=
50 20
6
+
5
=
5 2
14
5 5
+
4 4
=
40 20
5
+
4
=
2
15
4 4
+
9 3
=
48 12
4
+
9
=
4