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분수: 분모가 다른 덧셈2분수1

1
1 5
+
8 9
=
49 45
2
8 9
+
1 2
=
25 18
3
7 9
+
9 2
=
95 18
4
4 2
+
8 7
=
44 14
4
+
8
=
22 7
5
8 7
+
7 9
=
121 63
6
7 9
+
5 6
=
29 18
7
5 6
+
9 3
=
23 6
8
9 3
+
5 9
=
32 9
9
5 4
+
1 2
=
7 4
10
2 4
+
1 2
=
4 4
2
+
1
=
1
11
1 2
+
2 4
=
4 4
1
+
2
=
1
12
1 4
+
2 8
=
4 8
1
+
2
=
1 2
13
1 8
+
5 2
=
21 8
14
5 2
+
2 6
=
17 6
15
2 3
+
1 9
=
7 9