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분수: 분모가 다른 덧셈4분수0

1
4 8
+
3 7
=
52 56
4
+
3
=
13 14
2
3 7
+
6 5
=
57 35
3
5 4
+
1 9
=
49 36
4
1 9
+
6 2
=
56 18
1
+
6
=
28 9
5
6 2
+
7 6
=
25 6
6
1 5
+
8 9
=
49 45
7
8 9
+
4 4
=
68 36
8
+
4
=
17 9
8
4 4
+
1 5
=
24 20
4
+
1
=
6 5
9
1 5
+
7 9
=
44 45
10
7 9
+
4 5
=
71 45
11
4 5
+
2 2
=
18 10
4
+
2
=
9 5
12
2 2
+
6 8
=
14 8
2
+
6
=
7 4
13
6 8
+
2 4
=
10 8
6
+
2
=
5 4
14
4 6
+
1 5
=
26 30
4
+
1
=
13 15
15
1 4
+
3 5
=
17 20