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분수: 분모가 다른 덧셈4분수6

1
4 6
+
1 2
=
7 6
2
1 2
+
8 4
=
10 4
1
+
8
=
5 2
3
8 4
+
5 5
=
60 20
8
+
5
=
3
4
5 5
+
3 8
=
55 40
5
+
3
=
11 8
5
8 3
+
1 5
=
43 15
6
5 3
+
1 4
=
23 12
7
1 4
+
7 8
=
9 8
8
7 8
+
4 2
=
23 8
9
4 2
+
6 3
=
24 6
4
+
6
=
4
10
6 3
+
8 4
=
48 12
6
+
8
=
4
11
8 4
+
3 3
=
36 12
8
+
3
=
3
12
2 3
+
9 2
=
31 6
13
9 2
+
2 6
=
29 6
14
2 6
+
5 7
=
44 42
2
+
5
=
22 21
15
5 7
+
9 4
=
83 28