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분수: 분모가 다른 덧셈2분수1

1
8 2
+
1 9
=
74 18
8
+
1
=
37 9
2
1 9
+
5 8
=
53 72
3
5 8
+
2 4
=
9 8
4
1 4
+
2 3
=
11 12
5
2 3
+
3 4
=
17 12
6
3 4
+
4 6
=
17 12
7
6 4
+
7 6
=
32 12
6
+
7
=
8 3
8
7 6
+
2 7
=
61 42
9
2 7
+
4 5
=
38 35
10
4 5
+
1 6
=
29 30
11
6 8
+
1 5
=
38 40
6
+
1
=
19 20
12
1 5
+
2 2
=
12 10
1
+
2
=
6 5
13
2 2
+
1 9
=
20 18
2
+
1
=
10 9
14
1 9
+
2 5
=
23 45
15
2 8
+
1 5
=
18 40
2
+
1
=
9 20