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분수 2자리 (분모가 같은)

1
3 81
+
1 81
=
4 81
2
1 68
+
3 68
=
4 68
1
+
3
=
1 17
3
1 35
+
7 35
=
8 35
4
7 54
+
1 54
=
8 54
7
+
1
=
4 27
5
1 51
+
4 51
=
5 51
6
4 33
+
2 33
=
6 33
4
+
2
=
2 11
7
2 35
+
3 35
=
5 35
2
+
3
=
1 7
8
3 50
+
8 50
=
11 50
9
8 15
+
4 15
=
12 15
8
+
4
=
4 5
10
4 34
+
3 34
=
7 34
11
3 94
+
5 94
=
8 94
3
+
5
=
4 47
12
3 57
+
9 57
=
12 57
3
+
9
=
4 19
13
9 37
+
1 37
=
10 37
14
1 53
+
4 53
=
5 53
15
4 21
+
2 21
=
6 21
4
+
2
=
2 7