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분수: 분모가 다른 덧셈4분수2

1
9 2
+
1 6
=
28 6
9
+
1
=
14 3
2
1 6
+
2 7
=
19 42
3
7 9
+
1 3
=
10 9
4
1 3
+
4 7
=
19 21
5
4 7
+
5 2
=
43 14
6
5 2
+
2 6
=
17 6
7
2 6
+
3 9
=
12 18
2
+
3
=
2 3
8
3 9
+
8 5
=
87 45
3
+
8
=
29 15
9
1 5
+
2 8
=
18 40
1
+
2
=
9 20
10
2 8
+
6 2
=
26 8
2
+
6
=
13 4
11
4 2
+
1 9
=
38 18
4
+
1
=
19 9
12
9 2
+
1 5
=
47 10
13
1 6
+
6 2
=
19 6
14
3 2
+
5 8
=
17 8
15
8 7
+
6 5
=
82 35