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분수 1자리 (분모가 같은)

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