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분수: 분모가 다른 덧셈4분수1

1
8 4
+
1 7
=
60 28
8
+
1
=
15 7
2
1 7
+
4 8
=
36 56
1
+
4
=
9 14
3
4 8
+
3 5
=
44 40
4
+
3
=
11 10
4
3 5
+
2 4
=
22 20
3
+
2
=
11 10
5
4 4
+
5 2
=
14 4
4
+
5
=
7 2
6
5 2
+
8 3
=
31 6
7
8 3
+
2 5
=
46 15
8
5 2
+
6 7
=
47 14
9
6 7
+
3 6
=
57 42
6
+
3
=
19 14
10
6 3
+
5 2
=
27 6
6
+
5
=
9 2
11
5 2
+
6 9
=
57 18
5
+
6
=
19 6
12
6 9
+
5 4
=
69 36
6
+
5
=
23 12
13
5 4
+
3 9
=
57 36
5
+
3
=
19 12
14
3 9
+
5 6
=
21 18
3
+
5
=
7 6
15
5 6
+
2 5
=
37 30