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분수: 분모가 다른 덧셈1분수8

1
1 8
+
4 5
=
37 40
2
4 5
+
6 4
=
46 20
4
+
6
=
23 10
3
6 4
+
4 3
=
34 12
6
+
4
=
17 6
4
4 3
+
3 2
=
17 6
5
3 2
+
7 7
=
35 14
3
+
7
=
5 2
6
7 7
+
3 4
=
49 28
7
+
3
=
7 4
7
3 4
+
2 7
=
29 28
8
2 7
+
5 6
=
47 42
9
6 2
+
1 9
=
56 18
6
+
1
=
28 9
10
1 9
+
5 4
=
49 36
11
5 4
+
1 9
=
49 36
12
1 8
+
4 4
=
9 8
13
4 8
+
1 9
=
44 72
4
+
1
=
11 18
14
9 2
+
1 6
=
28 6
9
+
1
=
14 3
15
1 6
+
2 4
=
8 12
1
+
2
=
2 3