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분수: 분모가 다른 덧셈6분수2

1
2 7
+
1 4
=
15 28
2
4 6
+
1 3
=
6 6
4
+
1
=
1
3
1 3
+
3 9
=
6 9
1
+
3
=
2 3
4
9 8
+
1 6
=
31 24
5
1 3
+
9 2
=
29 6
6
9 2
+
1 6
=
28 6
9
+
1
=
14 3
7
1 6
+
7 4
=
23 12
8
7 4
+
1 8
=
15 8
9
1 4
+
9 5
=
41 20
10
9 5
+
4 4
=
56 20
9
+
4
=
14 5
11
4 4
+
5 2
=
14 4
4
+
5
=
7 2
12
5 2
+
3 7
=
41 14
13
7 3
+
6 4
=
46 12
7
+
6
=
23 6
14
6 4
+
2 3
=
26 12
6
+
2
=
13 6
15
2 3
+
4 6
=
8 6
2
+
4
=
4 3