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분수 2자리 (분모가 같은)

1
47 91
+
28 91
=
75 91
2
28 36
+
47 36
=
75 36
28
+
47
=
25 12
3
47 25
+
81 25
=
128 25
4
81 24
+
58 24
=
139 24
5
58 59
+
52 59
=
110 59
6
52 77
+
36 77
=
88 77
52
+
36
=
8 7
7
36 62
+
94 62
=
130 62
36
+
94
=
65 31
8
94 23
+
59 23
=
153 23
9
59 62
+
93 62
=
152 62
59
+
93
=
76 31
10
93 50
+
85 50
=
178 50
93
+
85
=
89 25
11
85 56
+
15 56
=
100 56
85
+
15
=
25 14
12
15 36
+
40 36
=
55 36
13
40 11
+
25 11
=
65 11
14
25 92
+
60 92
=
85 92
15
60 21
+
44 21
=
104 21