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분수 1자리 (분모가 같은)

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