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분수 1자리 (분모가 같은)

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