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분수 2자리 (분모가 같은)

1
24 61
+
90 61
=
114 61
2
90 24
+
54 24
=
144 24
90
+
54
=
6 1
3
54 71
+
65 71
=
119 71
4
65 45
+
81 45
=
146 45
5
81 20
+
11 20
=
92 20
81
+
11
=
23 5
6
11 42
+
70 42
=
81 42
11
+
70
=
27 14
7
70 17
+
51 17
=
121 17
8
51 81
+
21 81
=
72 81
51
+
21
=
8 9
9
21 24
+
23 24
=
44 24
21
+
23
=
11 6
10
23 25
+
33 25
=
56 25
11
33 96
+
15 96
=
48 96
33
+
15
=
1 2
12
15 95
+
85 95
=
100 95
15
+
85
=
20 19
13
85 66
+
42 66
=
127 66
14
42 82
+
61 82
=
103 82
15
61 78
+
43 78
=
104 78
61
+
43
=
4 3