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분수: 분모가 다른 덧셈3분수4

1
1 6
+
2 4
=
8 12
1
+
2
=
2 3
2
2 4
+
1 6
=
8 12
2
+
1
=
2 3
3
1 6
+
2 9
=
7 18
4
9 2
+
1 3
=
29 6
5
1 3
+
5 4
=
19 12
6
4 9
+
1 2
=
17 18
7
1 2
+
8 5
=
21 10
8
8 5
+
4 8
=
84 40
8
+
4
=
21 10
9
8 6
+
1 5
=
46 30
8
+
1
=
23 15
10
1 5
+
9 7
=
52 35
11
3 9
+
6 3
=
21 9
3
+
6
=
7 3
12
3 5
+
1 3
=
14 15
13
1 3
+
4 8
=
20 24
1
+
4
=
5 6
14
8 4
+
2 6
=
28 12
8
+
2
=
7 3
15
2 6
+
8 3
=
18 6
2
+
8
=
3