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분수 1자리 (분모가 같은)

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