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분수: 분모가 다른 덧셈2분수8

1
3 8
+
9 5
=
87 40
2
9 5
+
1 4
=
41 20
3
1 4
+
2 7
=
15 28
4
2 7
+
4 2
=
32 14
2
+
4
=
16 7
5
4 2
+
9 8
=
25 8
6
9 8
+
3 9
=
105 72
9
+
3
=
35 24
7
4 7
+
1 9
=
43 63
8
1 9
+
4 3
=
13 9
9
4 4
+
1 6
=
14 12
4
+
1
=
7 6
10
1 5
+
5 4
=
29 20
11
5 4
+
8 6
=
31 12
12
8 6
+
2 4
=
22 12
8
+
2
=
11 6
13
5 4
+
4 6
=
23 12
14
6 3
+
1 5
=
33 15
6
+
1
=
11 5
15
1 5
+
3 8
=
23 40