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분수: 분모가 다른 덧셈7분수5

1
7 5
+
1 8
=
61 40
2
1 8
+
6 6
=
27 24
1
+
6
=
9 8
3
1 5
+
2 6
=
16 30
1
+
2
=
8 15
4
2 6
+
3 5
=
28 30
2
+
3
=
14 15
5
5 6
+
1 2
=
8 6
5
+
1
=
4 3
6
1 2
+
9 6
=
12 6
1
+
9
=
2
7
9 6
+
1 3
=
11 6
8
1 3
+
3 8
=
17 24
9
3 8
+
1 2
=
7 8
10
7 2
+
2 3
=
25 6
11
2 3
+
4 8
=
28 24
2
+
4
=
7 6
12
8 4
+
6 6
=
36 12
8
+
6
=
3
13
6 6
+
5 4
=
27 12
6
+
5
=
9 4
14
5 4
+
4 5
=
41 20
15
4 5
+
3 2
=
23 10