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분수: 분모가 다른 덧셈2분수9

1
1 2
+
4 9
=
17 18
2
4 9
+
5 3
=
19 9
3
5 3
+
1 4
=
23 12
4
1 4
+
5 7
=
27 28
5
7 5
+
4 2
=
34 10
7
+
4
=
17 5
6
2 4
+
1 5
=
14 20
2
+
1
=
7 10
7
1 5
+
2 9
=
19 45
8
2 9
+
3 8
=
43 72
9
3 8
+
5 5
=
55 40
3
+
5
=
11 8
10
3 5
+
9 4
=
57 20
11
9 4
+
2 8
=
20 8
9
+
2
=
5 2
12
2 8
+
1 3
=
14 24
2
+
1
=
7 12
13
3 7
+
1 3
=
16 21
14
1 3
+
8 2
=
26 6
1
+
8
=
13 3
15
8 2
+
4 8
=
36 8
8
+
4
=
9 2