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분수: 분모가 다른 덧셈1분수9

1
9 3
+
8 7
=
87 21
9
+
8
=
29 7
2
8 7
+
3 4
=
53 28
3
4 9
+
9 2
=
89 18
4
9 2
+
5 4
=
23 4
5
5 4
+
6 3
=
39 12
5
+
6
=
13 4
6
6 3
+
5 4
=
39 12
6
+
5
=
13 4
7
5 4
+
8 3
=
47 12
8
8 3
+
1 8
=
67 24
9
1 8
+
4 2
=
17 8
10
4 2
+
7 3
=
26 6
4
+
7
=
13 3
11
1 2
+
8 6
=
11 6
12
8 6
+
1 5
=
46 30
8
+
1
=
23 15
13
5 3
+
3 6
=
13 6
14
9 8
+
1 7
=
71 56
15
1 7
+
3 4
=
25 28