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분수: 분모가 다른 덧셈4분수2

1
2 4
+
4 5
=
26 20
2
+
4
=
13 10
2
5 4
+
7 5
=
53 20
3
1 6
+
8 2
=
25 6
4
8 2
+
4 7
=
64 14
8
+
4
=
32 7
5
4 7
+
5 9
=
71 63
6
1 4
+
4 7
=
23 28
7
4 7
+
2 3
=
26 21
8
1 2
+
9 5
=
23 10
9
9 5
+
4 9
=
101 45
10
4 9
+
8 5
=
92 45
11
8 5
+
6 9
=
102 45
8
+
6
=
34 15
12
6 9
+
1 3
=
9 9
6
+
1
=
1
13
1 3
+
9 2
=
29 6
14
9 2
+
8 7
=
79 14
15
8 7
+
1 6
=
55 42