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분수 2자리 (분모가 같은)

1
28 85
+
55 85
=
83 85
2
55 25
+
83 25
=
138 25
3
83 46
+
60 46
=
143 46
4
60 93
+
73 93
=
133 93
5
73 55
+
52 55
=
125 55
73
+
52
=
25 11
6
52 61
+
62 61
=
114 61
7
62 87
+
12 87
=
74 87
8
12 60
+
41 60
=
53 60
9
41 41
+
72 41
=
113 41
10
72 18
+
43 18
=
115 18
11
43 90
+
21 90
=
64 90
43
+
21
=
32 45
12
21 81
+
54 81
=
75 81
21
+
54
=
25 27
13
47 45
+
48 45
=
95 45
47
+
48
=
19 9
14
48 13
+
86 13
=
134 13
15
86 11
+
35 11
=
121 11
86
+
35
=
11 1