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분수 2자리 (분모가 같은)

1
61 12
+
29 12
=
90 12
61
+
29
=
15 2
2
29 74
+
52 74
=
81 74
3
52 39
+
91 39
=
143 39
52
+
91
=
11 3
4
91 10
+
53 10
=
144 10
91
+
53
=
72 5
5
53 22
+
74 22
=
127 22
6
74 66
+
45 66
=
119 66
7
45 16
+
23 16
=
68 16
45
+
23
=
17 4
8
23 15
+
78 15
=
101 15
9
78 83
+
14 83
=
92 83
10
14 25
+
42 25
=
56 25
11
42 73
+
48 73
=
90 73
12
48 85
+
21 85
=
69 85
13
21 19
+
32 19
=
53 19
14
32 96
+
74 96
=
106 96
32
+
74
=
53 48
15
74 96
+
15 96
=
89 96