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분수: 분모가 다른 덧셈3분수7

1
3 7
+
5 3
=
44 21
2
5 3
+
1 7
=
38 21
3
5 7
+
3 5
=
46 35
4
3 5
+
6 7
=
51 35
5
6 7
+
4 5
=
58 35
6
4 5
+
8 6
=
64 30
4
+
8
=
32 15
7
8 6
+
9 5
=
94 30
8
+
9
=
47 15
8
9 5
+
2 4
=
46 20
9
+
2
=
23 10
9
9 4
+
6 3
=
51 12
9
+
6
=
17 4
10
6 3
+
4 2
=
24 6
6
+
4
=
4
11
4 2
+
5 4
=
13 4
12
5 4
+
6 6
=
27 12
5
+
6
=
9 4
13
6 6
+
5 5
=
60 30
6
+
5
=
2
14
5 5
+
4 2
=
30 10
5
+
4
=
3
15
4 2
+
2 8
=
18 8
4
+
2
=
9 4