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분수 1자리 (분모가 같은)

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