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분수: 분모가 다른 덧셈6분수2

1
6 2
+
4 8
=
28 8
6
+
4
=
7 2
2
4 8
+
1 5
=
28 40
4
+
1
=
7 10
3
1 5
+
2 4
=
14 20
1
+
2
=
7 10
4
2 4
+
3 7
=
26 28
2
+
3
=
13 14
5
3 7
+
7 5
=
64 35
6
7 5
+
1 2
=
19 10
7
1 2
+
7 6
=
10 6
1
+
7
=
5 3
8
7 6
+
3 7
=
67 42
9
3 7
+
2 9
=
41 63
10
2 9
+
7 5
=
73 45
11
7 5
+
8 4
=
68 20
7
+
8
=
17 5
12
8 4
+
6 2
=
20 4
8
+
6
=
5
13
6 2
+
9 6
=
27 6
6
+
9
=
9 2
14
9 6
+
2 7
=
75 42
9
+
2
=
25 14
15
2 7
+
1 4
=
15 28