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분수 2자리 (분모가 같은)

1
17 92
+
56 92
=
73 92
2
56 13
+
31 13
=
87 13
3
14 60
+
31 60
=
45 60
14
+
31
=
3 4
4
31 42
+
76 42
=
107 42
5
76 22
+
37 22
=
113 22
6
37 13
+
52 13
=
89 13
7
52 74
+
13 74
=
65 74
8
13 25
+
95 25
=
108 25
9
95 12
+
16 12
=
111 12
95
+
16
=
37 4
10
16 11
+
91 11
=
107 11
11
91 79
+
82 79
=
173 79
12
82 33
+
67 33
=
149 33
13
67 61
+
55 61
=
122 61
67
+
55
=
2 1
14
55 88
+
49 88
=
104 88
55
+
49
=
13 11
15
49 66
+
17 66
=
66 66
49
+
17
=
1 1