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분수 2자리 (분모가 같은)

1
12 51
+
30 51
=
42 51
12
+
30
=
14 17
2
30 34
+
22 34
=
52 34
30
+
22
=
26 17
3
22 85
+
23 85
=
45 85
22
+
23
=
9 17
4
23 24
+
86 24
=
109 24
5
86 62
+
32 62
=
118 62
86
+
32
=
59 31
6
32 23
+
13 23
=
45 23
7
13 23
+
88 23
=
101 23
8
88 72
+
72 72
=
160 72
88
+
72
=
20 9
9
72 60
+
38 60
=
110 60
72
+
38
=
11 6
10
38 93
+
44 93
=
82 93
11
44 13
+
32 13
=
76 13
12
32 64
+
93 64
=
125 64
13
93 52
+
63 52
=
156 52
93
+
63
=
3 1
14
63 14
+
32 14
=
95 14
15
32 40
+
45 40
=
77 40