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분수 2자리 (분모가 같은)

1
22 23
+
89 23
=
111 23
2
89 38
+
76 38
=
165 38
3
76 34
+
22 34
=
98 34
76
+
22
=
49 17
4
22 63
+
70 63
=
92 63
5
70 66
+
12 66
=
82 66
70
+
12
=
41 33
6
12 82
+
20 82
=
32 82
12
+
20
=
16 41
7
20 39
+
94 39
=
114 39
20
+
94
=
38 13
8
94 16
+
23 16
=
117 16
9
23 31
+
66 31
=
89 31
10
66 10
+
63 10
=
129 10
11
63 82
+
94 82
=
157 82
12
94 33
+
77 33
=
171 33
94
+
77
=
57 11
13
77 13
+
40 13
=
117 13
77
+
40
=
9 1
14
40 63
+
28 63
=
68 63
15
28 58
+
45 58
=
73 58