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분수 2자리 (분모가 같은)

1
28 53
+
71 53
=
99 53
2
71 38
+
41 38
=
112 38
71
+
41
=
56 19
3
41 25
+
49 25
=
90 25
41
+
49
=
18 5
4
49 81
+
80 81
=
129 81
49
+
80
=
43 27
5
80 11
+
85 11
=
165 11
80
+
85
=
15 1
6
85 28
+
75 28
=
160 28
85
+
75
=
40 7
7
75 13
+
16 13
=
91 13
75
+
16
=
7 1
8
16 45
+
89 45
=
105 45
16
+
89
=
7 3
9
89 36
+
62 36
=
151 36
10
62 20
+
48 20
=
110 20
62
+
48
=
11 2
11
48 12
+
41 12
=
89 12
12
41 30
+
12 30
=
53 30
13
12 65
+
34 65
=
46 65
14
34 60
+
14 60
=
48 60
34
+
14
=
4 5
15
14 34
+
21 34
=
35 34