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분수: 분모가 다른 덧셈4분수5

1
4 5
+
2 4
=
26 20
4
+
2
=
13 10
2
5 6
+
1 4
=
13 12
3
1 4
+
8 2
=
17 4
4
1 7
+
8 2
=
58 14
1
+
8
=
29 7
5
8 2
+
7 9
=
86 18
8
+
7
=
43 9
6
7 9
+
3 6
=
23 18
7
3 6
+
9 4
=
33 12
3
+
9
=
11 4
8
9 4
+
8 9
=
113 36
9
8 9
+
1 3
=
11 9
10
3 6
+
1 7
=
27 42
3
+
1
=
9 14
11
1 7
+
5 9
=
44 63
12
5 7
+
1 5
=
32 35
13
1 5
+
5 3
=
28 15
14
5 3
+
1 5
=
28 15
15
1 5
+
6 4
=
34 20
1
+
6
=
17 10