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분수 2자리 (분모가 같은)

1
75 31
+
13 31
=
88 31
2
13 15
+
27 15
=
40 15
13
+
27
=
8 3
3
27 82
+
52 82
=
79 82
4
52 36
+
63 36
=
115 36
5
63 39
+
51 39
=
114 39
63
+
51
=
38 13
6
51 41
+
93 41
=
144 41
7
93 46
+
35 46
=
128 46
93
+
35
=
64 23
8
35 58
+
17 58
=
52 58
35
+
17
=
26 29
9
17 26
+
34 26
=
51 26
10
34 15
+
82 15
=
116 15
11
82 45
+
71 45
=
153 45
82
+
71
=
17 5
12
71 19
+
25 19
=
96 19
13
25 89
+
35 89
=
60 89
14
35 24
+
71 24
=
106 24
35
+
71
=
53 12
15
71 62
+
45 62
=
116 62
71
+
45
=
58 31