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분수 1자리 (분모가 다른)

1
3 9
+
1 7
=
30 63
3
+
1
=
10 21
2
2 5
+
1 3
=
11 15
3
3 6
+
1 2
=
6 6
3
+
1
=
1
4
3 7
+
6 3
=
51 21
3
+
6
=
17 7
5
6 3
+
2 6
=
14 6
6
+
2
=
7 3
6
3 2
+
5 4
=
11 4
7
5 4
+
4 2
=
13 4
8
8 2
+
1 5
=
42 10
8
+
1
=
21 5
9
1 5
+
9 3
=
48 15
1
+
9
=
16 5
10
9 3
+
3 2
=
27 6
9
+
3
=
9 2
11
3 2
+
4 3
=
17 6
12
4 3
+
7 7
=
49 21
4
+
7
=
7 3
13
7 7
+
5 3
=
56 21
7
+
5
=
8 3
14
6 3
+
4 5
=
42 15
6
+
4
=
14 5
15
4 5
+
9 3
=
57 15
4
+
9
=
19 5