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분수: 분모가 다른 덧셈4분수5

1
4 5
+
9 4
=
61 20
2
9 4
+
3 9
=
93 36
9
+
3
=
31 12
3
3 9
+
4 3
=
15 9
3
+
4
=
5 3
4
4 3
+
5 2
=
23 6
5
5 2
+
1 4
=
11 4
6
1 4
+
2 9
=
17 36
7
2 9
+
5 5
=
55 45
2
+
5
=
11 9
8
4 4
+
1 2
=
6 4
4
+
1
=
3 2
9
1 5
+
4 9
=
29 45
10
4 9
+
2 8
=
50 72
4
+
2
=
25 36
11
8 8
+
1 3
=
32 24
8
+
1
=
4 3
12
3 9
+
1 2
=
15 18
3
+
1
=
5 6
13
2 4
+
1 9
=
22 36
2
+
1
=
11 18
14
1 9
+
7 2
=
65 18
15
7 2
+
6 5
=
47 10