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분수: 분모가 다른 덧셈2분수8

1
2 8
+
6 4
=
14 8
2
+
6
=
7 4
2
6 4
+
7 5
=
58 20
6
+
7
=
29 10
3
7 5
+
5 2
=
39 10
4
5 2
+
8 4
=
18 4
5
+
8
=
9 2
5
5 4
+
1 2
=
7 4
6
1 2
+
3 9
=
15 18
1
+
3
=
5 6
7
3 9
+
6 4
=
66 36
3
+
6
=
11 6
8
1 5
+
4 9
=
29 45
9
4 9
+
1 3
=
7 9
10
3 5
+
1 9
=
32 45
11
1 4
+
3 7
=
19 28
12
3 7
+
9 3
=
72 21
3
+
9
=
24 7
13
9 3
+
4 2
=
30 6
9
+
4
=
5
14
4 2
+
5 8
=
21 8
15
5 8
+
6 2
=
29 8