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분수: 분모가 다른 덧셈2분수9

1
2 9
+
6 4
=
62 36
2
+
6
=
31 18
2
4 9
+
1 4
=
25 36
3
1 4
+
5 3
=
23 12
4
5 3
+
6 5
=
43 15
5
6 5
+
8 8
=
88 40
6
+
8
=
11 5
6
8 8
+
4 4
=
16 8
8
+
4
=
2
7
4 4
+
6 8
=
14 8
4
+
6
=
7 4
8
6 8
+
3 4
=
12 8
6
+
3
=
3 2
9
6 4
+
3 8
=
15 8
10
3 8
+
6 5
=
63 40
11
5 6
+
9 4
=
37 12
12
4 9
+
7 3
=
25 9
13
7 3
+
5 6
=
19 6
14
5 6
+
9 4
=
37 12
15
9 4
+
5 6
=
37 12