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분수: 분모가 다른 덧셈3분수7

1
3 7
+
9 6
=
81 42
3
+
9
=
27 14
2
6 2
+
1 4
=
13 4
3
1 4
+
6 9
=
33 36
1
+
6
=
11 12
4
6 9
+
5 2
=
57 18
6
+
5
=
19 6
5
2 6
+
1 5
=
16 30
2
+
1
=
8 15
6
1 5
+
9 3
=
48 15
1
+
9
=
16 5
7
9 3
+
1 5
=
48 15
9
+
1
=
16 5
8
1 6
+
3 8
=
13 24
9
3 8
+
2 3
=
25 24
10
2 3
+
3 5
=
19 15
11
3 5
+
2 8
=
34 40
3
+
2
=
17 20
12
2 8
+
3 6
=
18 24
2
+
3
=
3 4
13
3 6
+
6 5
=
51 30
3
+
6
=
17 10
14
5 8
+
1 7
=
43 56
15
1 7
+
5 6
=
41 42