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분수 2자리 (분모가 같은)

1
22 43
+
91 43
=
113 43
2
91 21
+
77 21
=
168 21
91
+
77
=
8 1
3
77 98
+
27 98
=
104 98
77
+
27
=
52 49
4
27 49
+
54 49
=
81 49
5
54 64
+
57 64
=
111 64
6
57 33
+
36 33
=
93 33
57
+
36
=
31 11
7
36 29
+
25 29
=
61 29
8
25 35
+
33 35
=
58 35
9
33 65
+
39 65
=
72 65
10
39 18
+
15 18
=
54 18
39
+
15
=
3 1
11
15 44
+
66 44
=
81 44
12
66 38
+
75 38
=
141 38
13
75 11
+
81 11
=
156 11
14
81 11
+
16 11
=
97 11
15
16 31
+
66 31
=
82 31