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분수: 분모가 다른 덧셈2분수7

1
2 7
+
9 2
=
67 14
2
9 2
+
5 7
=
73 14
3
5 7
+
1 8
=
47 56
4
1 8
+
2 4
=
5 8
5
2 4
+
4 8
=
8 8
2
+
4
=
1
6
8 4
+
1 8
=
17 8
7
1 8
+
4 2
=
17 8
8
4 2
+
2 8
=
18 8
4
+
2
=
9 4
9
2 8
+
3 4
=
8 8
2
+
3
=
1
10
4 9
+
1 6
=
11 18
11
1 6
+
5 5
=
35 30
1
+
5
=
7 6
12
3 8
+
1 5
=
23 40
13
1 5
+
8 4
=
44 20
1
+
8
=
11 5
14
8 4
+
2 8
=
18 8
8
+
2
=
9 4
15
8 2
+
3 5
=
46 10
8
+
3
=
23 5