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분수 2자리 (분모가 같은)

1
51 75
+
25 75
=
76 75
2
25 21
+
18 21
=
43 21
3
18 37
+
42 37
=
60 37
4
42 58
+
24 58
=
66 58
42
+
24
=
33 29
5
24 18
+
14 18
=
38 18
24
+
14
=
19 9
6
14 21
+
91 21
=
105 21
14
+
91
=
5 1
7
91 20
+
74 20
=
165 20
91
+
74
=
33 4
8
74 97
+
28 97
=
102 97
9
28 40
+
25 40
=
53 40
10
25 62
+
33 62
=
58 62
25
+
33
=
29 31
11
33 72
+
11 72
=
44 72
33
+
11
=
11 18
12
11 31
+
49 31
=
60 31
13
49 13
+
61 13
=
110 13
14
10 38
+
61 38
=
71 38
15
61 51
+
24 51
=
85 51
61
+
24
=
5 3