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분수 1자리 (분모가 같은)

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