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분수: 분모가 다른 덧셈5분수4

1
2 4
+
7 5
=
38 20
2
+
7
=
19 10
2
7 5
+
8 9
=
103 45
3
8 9
+
5 4
=
77 36
4
4 6
+
1 5
=
26 30
4
+
1
=
13 15
5
4 5
+
7 3
=
47 15
6
3 8
+
1 4
=
5 8
7
2 9
+
5 4
=
53 36
8
5 4
+
8 2
=
21 4
9
8 2
+
2 5
=
44 10
8
+
2
=
22 5
10
5 3
+
1 8
=
43 24
11
1 5
+
3 6
=
21 30
1
+
3
=
7 10
12
3 6
+
4 2
=
15 6
3
+
4
=
5 2
13
2 2
+
6 5
=
22 10
2
+
6
=
11 5
14
5 6
+
4 3
=
13 6
15
4 3
+
7 7
=
49 21
4
+
7
=
7 3