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분수: 분모가 다른 덧셈5분수2

1
5 2
+
2 8
=
22 8
5
+
2
=
11 4
2
2 8
+
1 5
=
18 40
2
+
1
=
9 20
3
5 9
+
1 2
=
19 18
4
1 2
+
7 3
=
17 6
5
3 2
+
1 3
=
11 6
6
1 6
+
8 7
=
55 42
7
8 7
+
6 2
=
58 14
8
+
6
=
29 7
8
6 2
+
5 5
=
40 10
6
+
5
=
4
9
5 5
+
6 2
=
40 10
5
+
6
=
4
10
6 2
+
8 4
=
20 4
6
+
8
=
5
11
8 4
+
3 8
=
19 8
12
3 8
+
4 9
=
59 72
13
4 9
+
5 4
=
61 36
14
3 4
+
8 6
=
25 12
15
6 6
+
1 7
=
48 42
6
+
1
=
8 7