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분수: 분모가 다른 덧셈2분수8

1
2 8
+
4 5
=
42 40
2
+
4
=
21 20
2
4 5
+
8 9
=
76 45
3
8 9
+
5 8
=
109 72
4
8 9
+
1 5
=
49 45
5
1 5
+
6 3
=
33 15
1
+
6
=
11 5
6
6 3
+
1 4
=
27 12
6
+
1
=
9 4
7
1 4
+
7 6
=
17 12
8
6 5
+
1 4
=
29 20
9
4 2
+
1 9
=
38 18
4
+
1
=
19 9
10
9 5
+
1 4
=
41 20
11
1 4
+
4 8
=
6 8
1
+
4
=
3 4
12
4 8
+
9 2
=
40 8
4
+
9
=
5
13
9 2
+
2 6
=
29 6
14
6 2
+
5 5
=
40 10
6
+
5
=
4
15
5 7
+
1 9
=
52 63