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분수: 분모가 다른 덧셈5분수3

1
5 3
+
8 4
=
44 12
5
+
8
=
11 3
2
8 4
+
6 7
=
80 28
8
+
6
=
20 7
3
6 7
+
4 6
=
64 42
6
+
4
=
32 21
4
4 6
+
7 3
=
18 6
4
+
7
=
3
5
7 3
+
2 8
=
62 24
7
+
2
=
31 12
6
2 8
+
9 3
=
78 24
2
+
9
=
13 4
7
9 3
+
2 4
=
42 12
9
+
2
=
7 2
8
4 8
+
1 3
=
20 24
4
+
1
=
5 6
9
8 3
+
7 4
=
53 12
10
7 4
+
1 6
=
23 12
11
6 9
+
1 6
=
15 18
6
+
1
=
5 6
12
6 5
+
1 4
=
29 20
13
1 4
+
3 9
=
21 36
1
+
3
=
7 12
14
3 9
+
4 7
=
57 63
3
+
4
=
19 21
15
4 7
+
5 6
=
59 42