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분수: 분모가 다른 덧셈1분수0

1
1 6
+
3 9
=
9 18
1
+
3
=
1 2
2
3 9
+
1 8
=
33 72
3
+
1
=
11 24
3
1 8
+
9 5
=
77 40
4
9 5
+
8 3
=
67 15
5
8 3
+
5 9
=
29 9
6
7 9
+
3 2
=
41 18
7
3 2
+
1 5
=
17 10
8
1 5
+
9 2
=
47 10
9
9 2
+
5 9
=
91 18
10
5 9
+
2 8
=
58 72
5
+
2
=
29 36
11
1 3
+
2 2
=
8 6
1
+
2
=
4 3
12
2 2
+
7 8
=
15 8
13
7 8
+
1 2
=
11 8
14
1 2
+
6 5
=
17 10
15
1 5
+
7 8
=
43 40