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분수: 분모가 다른 덧셈4분수0

1
4 5
+
9 9
=
81 45
4
+
9
=
9 5
2
2 9
+
1 2
=
13 18
3
1 2
+
2 5
=
9 10
4
2 5
+
6 2
=
34 10
2
+
6
=
17 5
5
2 6
+
3 7
=
32 42
2
+
3
=
16 21
6
7 3
+
5 4
=
43 12
7
4 9
+
2 2
=
26 18
4
+
2
=
13 9
8
2 2
+
5 5
=
20 10
2
+
5
=
2
9
4 5
+
8 3
=
52 15
10
8 3
+
4 8
=
76 24
8
+
4
=
19 6
11
8 9
+
1 6
=
19 18
12
1 6
+
6 4
=
20 12
1
+
6
=
5 3
13
6 4
+
8 5
=
62 20
6
+
8
=
31 10
14
8 5
+
3 4
=
47 20
15
3 4
+
4 3
=
25 12