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분수 1자리 (분모가 같은)

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