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분수 2자리 (분모가 같은)

1
24 13
+
45 13
=
69 13
2
45 57
+
46 57
=
91 57
3
46 66
+
26 66
=
72 66
46
+
26
=
12 11
4
26 10
+
51 10
=
77 10
5
51 70
+
32 70
=
83 70
6
32 33
+
15 33
=
47 33
7
15 15
+
21 15
=
36 15
15
+
21
=
12 5
8
21 33
+
63 33
=
84 33
21
+
63
=
28 11
9
63 72
+
35 72
=
98 72
63
+
35
=
49 36
10
35 42
+
13 42
=
48 42
35
+
13
=
8 7
11
13 94
+
47 94
=
60 94
13
+
47
=
30 47
12
47 12
+
78 12
=
125 12
13
78 73
+
46 73
=
124 73
14
46 20
+
19 20
=
65 20
46
+
19
=
13 4
15
19 55
+
32 55
=
51 55