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분수 1자리 (분모가 같은)

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