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분수: 분모가 다른 덧셈7분수1

1
1 6
+
2 7
=
19 42
2
2 7
+
1 6
=
19 42
3
1 6
+
4 4
=
14 12
1
+
4
=
7 6
4
4 3
+
2 5
=
26 15
5
2 5
+
6 8
=
46 40
2
+
6
=
23 20
6
6 8
+
8 2
=
38 8
6
+
8
=
19 4
7
8 2
+
1 7
=
58 14
8
+
1
=
29 7
8
1 7
+
3 8
=
29 56
9
3 8
+
4 3
=
41 24
10
1 2
+
9 4
=
11 4
11
9 4
+
5 7
=
83 28
12
6 3
+
3 5
=
39 15
6
+
3
=
13 5
13
4 3
+
3 9
=
15 9
4
+
3
=
5 3
14
3 9
+
7 4
=
75 36
3
+
7
=
25 12
15
7 4
+
4 2
=
15 4