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분수: 분모가 다른 덧셈4분수1

1
3 7
+
8 3
=
65 21
2
1 6
+
2 8
=
10 24
1
+
2
=
5 12
3
6 5
+
1 3
=
23 15
4
1 3
+
3 2
=
11 6
5
1 7
+
4 3
=
31 21
6
4 3
+
3 7
=
37 21
7
3 7
+
2 3
=
23 21
8
2 3
+
8 5
=
34 15
9
8 5
+
9 2
=
61 10
10
9 2
+
1 8
=
37 8
11
1 8
+
3 6
=
15 24
1
+
3
=
5 8
12
3 6
+
5 3
=
13 6
13
3 8
+
1 7
=
29 56
14
1 7
+
5 4
=
39 28
15
5 4
+
3 9
=
57 36
5
+
3
=
19 12