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분수: 분모가 다른 덧셈4분수3

1
1 2
+
4 3
=
11 6
2
4 3
+
1 4
=
19 12
3
1 4
+
5 8
=
7 8
4
8 9
+
1 5
=
49 45
5
1 5
+
9 4
=
49 20
6
9 4
+
3 2
=
15 4
7
3 2
+
2 6
=
11 6
8
6 2
+
3 5
=
36 10
6
+
3
=
18 5
9
5 3
+
8 5
=
49 15
10
8 5
+
1 9
=
77 45
11
1 9
+
4 8
=
44 72
1
+
4
=
11 18
12
8 5
+
1 8
=
69 40
13
1 8
+
5 2
=
21 8
14
2 2
+
1 8
=
9 8
15
1 8
+
4 7
=
39 56