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분수: 분모가 다른 덧셈2분수2

1
2 2
+
6 4
=
10 4
2
+
6
=
5 2
2
6 4
+
1 8
=
13 8
3
1 8
+
8 7
=
71 56
4
8 7
+
5 3
=
59 21
5
3 5
+
1 7
=
26 35
6
1 7
+
3 2
=
23 14
7
3 2
+
6 4
=
12 4
3
+
6
=
3
8
8 4
+
6 3
=
48 12
8
+
6
=
4
9
6 3
+
1 2
=
15 6
6
+
1
=
5 2
10
2 4
+
1 7
=
18 28
2
+
1
=
9 14
11
1 7
+
4 8
=
36 56
1
+
4
=
9 14
12
4 8
+
3 7
=
52 56
4
+
3
=
13 14
13
3 7
+
1 5
=
22 35
14
1 9
+
3 2
=
29 18
15
3 2
+
6 8
=
18 8
3
+
6
=
9 4