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분수: 분모가 다른 덧셈2분수1

1
1 2
+
8 4
=
10 4
1
+
8
=
5 2
2
8 4
+
4 6
=
32 12
8
+
4
=
8 3
3
4 6
+
5 4
=
23 12
4
5 4
+
2 5
=
33 20
5
2 5
+
5 3
=
31 15
6
5 3
+
7 2
=
31 6
7
7 2
+
9 6
=
30 6
7
+
9
=
5
8
8 6
+
1 3
=
10 6
8
+
1
=
5 3
9
1 3
+
3 7
=
16 21
10
3 7
+
1 9
=
34 63
11
1 9
+
2 8
=
26 72
1
+
2
=
13 36
12
2 8
+
8 4
=
18 8
2
+
8
=
9 4
13
4 3
+
1 8
=
35 24
14
1 8
+
4 2
=
17 8
15
2 8
+
1 6
=
10 24
2
+
1
=
5 12