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분수: 분모가 다른 덧셈4분수9

1
4 9
+
8 2
=
80 18
4
+
8
=
40 9
2
8 2
+
2 3
=
28 6
8
+
2
=
14 3
3
3 2
+
2 3
=
13 6
4
3 6
+
1 8
=
15 24
3
+
1
=
5 8
5
1 8
+
2 2
=
9 8
6
2 2
+
4 4
=
8 4
2
+
4
=
2
7
1 9
+
5 6
=
17 18
8
5 6
+
6 2
=
23 6
9
6 2
+
4 9
=
62 18
6
+
4
=
31 9
10
9 2
+
1 3
=
29 6
11
1 5
+
5 8
=
33 40
12
5 8
+
2 5
=
41 40
13
8 5
+
1 2
=
21 10
14
1 2
+
7 5
=
19 10
15
7 5
+
8 2
=
54 10
7
+
8
=
27 5