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분수 1자리 (분모가 같은)

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