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분수: 분모가 다른 덧셈1분수1

1
1 5
+
4 8
=
28 40
1
+
4
=
7 10
2
4 8
+
1 2
=
8 8
4
+
1
=
1
3
1 2
+
6 4
=
8 4
1
+
6
=
2
4
1 8
+
5 2
=
21 8
5
5 2
+
6 3
=
27 6
5
+
6
=
9 2
6
6 3
+
5 5
=
45 15
6
+
5
=
3
7
5 5
+
4 7
=
55 35
5
+
4
=
11 7
8
4 7
+
6 9
=
78 63
4
+
6
=
26 21
9
1 5
+
5 9
=
34 45
10
9 5
+
1 4
=
41 20
11
5 4
+
1 6
=
17 12
12
1 6
+
8 3
=
17 6
13
3 8
+
2 9
=
43 72
14
2 9
+
4 7
=
50 63
15
4 7
+
8 2
=
64 14
4
+
8
=
32 7