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분수: 분모가 다른 덧셈3분수2

1
3 2
+
4 3
=
17 6
2
4 3
+
7 2
=
29 6
3
7 2
+
8 6
=
29 6
4
1 2
+
6 3
=
15 6
1
+
6
=
5 2
5
6 3
+
9 9
=
27 9
6
+
9
=
3
6
3 9
+
1 4
=
21 36
3
+
1
=
7 12
7
1 4
+
6 2
=
13 4
8
6 2
+
2 7
=
46 14
6
+
2
=
23 7
9
2 7
+
5 5
=
45 35
2
+
5
=
9 7
10
5 5
+
2 7
=
45 35
5
+
2
=
9 7
11
2 7
+
1 6
=
19 42
12
1 6
+
3 5
=
23 30
13
3 5
+
8 4
=
52 20
3
+
8
=
13 5
14
8 4
+
9 6
=
42 12
8
+
9
=
7 2
15
9 6
+
5 2
=
24 6
9
+
5
=
4