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분수 2자리 (분모가 같은)

1
61 86
+
28 86
=
89 86
2
28 27
+
41 27
=
69 27
28
+
41
=
23 9
3
41 11
+
40 11
=
81 11
4
40 21
+
52 21
=
92 21
5
52 31
+
55 31
=
107 31
6
55 29
+
20 29
=
75 29
7
20 52
+
10 52
=
30 52
20
+
10
=
15 26
8
10 11
+
26 11
=
36 11
9
26 71
+
33 71
=
59 71
10
33 88
+
10 88
=
43 88
11
10 72
+
77 72
=
87 72
10
+
77
=
29 24
12
77 21
+
19 21
=
96 21
77
+
19
=
32 7
13
19 25
+
31 25
=
50 25
19
+
31
=
2 1
14
31 76
+
28 76
=
59 76
15
28 55
+
83 55
=
111 55