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분수: 분모가 다른 덧셈5분수5

1
5 5
+
8 4
=
60 20
5
+
8
=
3
2
5 8
+
1 2
=
9 8
3
1 5
+
3 6
=
21 30
1
+
3
=
7 10
4
3 6
+
1 2
=
6 6
3
+
1
=
1
5
1 6
+
9 8
=
31 24
6
9 8
+
3 5
=
69 40
7
5 5
+
1 4
=
25 20
5
+
1
=
5 4
8
1 4
+
2 2
=
5 4
9
2 2
+
5 3
=
16 6
2
+
5
=
8 3
10
5 3
+
2 5
=
31 15
11
5 2
+
7 4
=
17 4
12
1 4
+
2 3
=
11 12
13
2 3
+
3 9
=
9 9
2
+
3
=
1
14
3 9
+
7 8
=
87 72
3
+
7
=
29 24
15
7 8
+
5 7
=
89 56