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분수 2자리 (분모가 같은)

1
18 65
+
31 65
=
49 65
2
31 48
+
53 48
=
84 48
31
+
53
=
7 4
3
36 65
+
38 65
=
74 65
4
38 88
+
20 88
=
58 88
38
+
20
=
29 44
5
20 45
+
84 45
=
104 45
6
84 38
+
42 38
=
126 38
84
+
42
=
63 19
7
42 87
+
51 87
=
93 87
42
+
51
=
31 29
8
51 30
+
53 30
=
104 30
51
+
53
=
52 15
9
53 45
+
44 45
=
97 45
10
44 55
+
17 55
=
61 55
11
17 31
+
21 31
=
38 31
12
21 17
+
54 17
=
75 17
13
54 22
+
46 22
=
100 22
54
+
46
=
50 11
14
46 34
+
59 34
=
105 34
15
59 46
+
51 46
=
110 46
59
+
51
=
55 23