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분수: 분모가 다른 덧셈3분수9

1
9 3
+
2 7
=
69 21
9
+
2
=
23 7
2
2 7
+
1 8
=
23 56
3
1 8
+
9 3
=
75 24
1
+
9
=
25 8
4
3 2
+
1 3
=
11 6
5
1 3
+
8 5
=
29 15
6
8 5
+
9 7
=
101 35
7
7 4
+
1 2
=
9 4
8
1 2
+
4 9
=
17 18
9
9 7
+
1 2
=
25 14
10
2 7
+
1 6
=
19 42
11
1 6
+
4 3
=
9 6
1
+
4
=
3 2
12
4 3
+
7 5
=
41 15
13
7 5
+
1 8
=
61 40
14
1 8
+
5 6
=
23 24
15
5 6
+
8 3
=
21 6
5
+
8
=
7 2