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분수 2자리 (분모가 같은)

1
27 15
+
85 15
=
112 15
2
85 60
+
23 60
=
108 60
85
+
23
=
9 5
3
23 31
+
92 31
=
115 31
4
92 45
+
16 45
=
108 45
92
+
16
=
12 5
5
16 64
+
80 64
=
96 64
16
+
80
=
3 2
6
80 30
+
56 30
=
136 30
80
+
56
=
68 15
7
56 75
+
22 75
=
78 75
56
+
22
=
26 25
8
22 31
+
64 31
=
86 31
9
64 51
+
45 51
=
109 51
10
45 74
+
53 74
=
98 74
45
+
53
=
49 37
11
53 18
+
60 18
=
113 18
12
60 81
+
46 81
=
106 81
13
46 45
+
52 45
=
98 45
14
52 58
+
36 58
=
88 58
52
+
36
=
44 29
15
36 84
+
61 84
=
97 84