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분수: 분모가 다른 덧셈4분수1

1
1 2
+
4 5
=
13 10
2
9 5
+
6 8
=
102 40
9
+
6
=
51 20
3
6 8
+
3 5
=
54 40
6
+
3
=
27 20
4
3 5
+
4 4
=
32 20
3
+
4
=
8 5
5
4 4
+
2 8
=
10 8
4
+
2
=
5 4
6
2 4
+
5 5
=
30 20
2
+
5
=
3 2
7
5 7
+
1 8
=
47 56
8
1 8
+
4 3
=
35 24
9
4 3
+
7 2
=
29 6
10
7 2
+
1 3
=
23 6
11
1 3
+
3 7
=
16 21
12
3 7
+
4 2
=
34 14
3
+
4
=
17 7
13
2 4
+
5 3
=
26 12
2
+
5
=
13 6
14
5 3
+
1 6
=
11 6
15
1 6
+
2 3
=
5 6