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분수: 분모가 다른 덧셈2분수3

1
2 3
+
9 6
=
13 6
2
9 6
+
2 5
=
57 30
9
+
2
=
19 10
3
5 2
+
9 8
=
29 8
4
3 8
+
1 3
=
17 24
5
1 3
+
3 8
=
17 24
6
4 2
+
9 6
=
21 6
4
+
9
=
7 2
7
9 6
+
2 2
=
15 6
9
+
2
=
5 2
8
2 2
+
1 7
=
16 14
2
+
1
=
8 7
9
1 7
+
6 3
=
45 21
1
+
6
=
15 7
10
6 3
+
4 7
=
54 21
6
+
4
=
18 7
11
9 7
+
6 2
=
60 14
9
+
6
=
30 7
12
6 2
+
5 5
=
40 10
6
+
5
=
4
13
5 5
+
2 7
=
45 35
5
+
2
=
9 7
14
7 3
+
1 7
=
52 21
15
1 7
+
4 9
=
37 63