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분수: 분모가 다른 덧셈2분수2

1
2 2
+
8 9
=
34 18
2
+
8
=
17 9
2
8 9
+
5 4
=
77 36
3
4 8
+
1 3
=
20 24
4
+
1
=
5 6
4
1 4
+
3 3
=
15 12
1
+
3
=
5 4
5
3 3
+
5 8
=
39 24
3
+
5
=
13 8
6
8 2
+
1 3
=
26 6
8
+
1
=
13 3
7
5 3
+
6 4
=
38 12
5
+
6
=
19 6
8
6 4
+
5 5
=
50 20
6
+
5
=
5 2
9
1 4
+
9 5
=
41 20
10
1 5
+
9 4
=
49 20
11
9 4
+
4 6
=
35 12
12
9 4
+
3 5
=
57 20
13
3 5
+
9 6
=
63 30
3
+
9
=
21 10
14
6 4
+
1 6
=
20 12
6
+
1
=
5 3
15
4 6
+
2 9
=
16 18
4
+
2
=
8 9