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분수 1자리 (분모가 같은)

1
1 2
+
3 2
=
4 2
1
+
3
=
2 1
2
2 3
+
1 3
=
3 3
2
+
1
=
1 1
3
1 6
+
2 6
=
3 6
1
+
2
=
1 2
4
2 8
+
3 8
=
5 8
5
3 9
+
4 9
=
7 9
6
4 4
+
2 4
=
6 4
4
+
2
=
3 2
7
2 9
+
6 9
=
8 9
8
6 2
+
4 2
=
10 2
6
+
4
=
5 1
9
1 4
+
3 4
=
4 4
1
+
3
=
1 1
10
3 4
+
1 4
=
4 4
3
+
1
=
1 1
11
1 7
+
7 7
=
8 7
12
7 5
+
3 5
=
10 5
7
+
3
=
2 1
13
3 2
+
6 2
=
9 2
14
6 2
+
3 2
=
9 2
15
1 6
+
6 6
=
7 6