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분수: 분모가 다른 덧셈7분수1

1
6 5
+
1 3
=
23 15
2
1 3
+
4 5
=
17 15
3
4 5
+
3 7
=
43 35
4
3 7
+
4 2
=
34 14
3
+
4
=
17 7
5
4 2
+
1 6
=
13 6
6
1 4
+
7 6
=
17 12
7
6 6
+
1 9
=
20 18
6
+
1
=
10 9
8
9 7
+
1 6
=
61 42
9
4 2
+
1 3
=
14 6
4
+
1
=
7 3
10
1 3
+
2 6
=
4 6
1
+
2
=
2 3
11
2 6
+
7 2
=
23 6
12
2 2
+
1 5
=
12 10
2
+
1
=
6 5
13
1 5
+
3 3
=
18 15
1
+
3
=
6 5
14
6 3
+
5 7
=
57 21
6
+
5
=
19 7
15
5 7
+
8 3
=
71 21