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분수 2자리 (분모가 같은)

1
20 75
+
85 75
=
105 75
20
+
85
=
7 5
2
85 58
+
19 58
=
104 58
85
+
19
=
52 29
3
19 42
+
86 42
=
105 42
19
+
86
=
5 2
4
86 13
+
12 13
=
98 13
5
12 98
+
28 98
=
40 98
12
+
28
=
20 49
6
28 24
+
13 24
=
41 24
7
13 23
+
98 23
=
111 23
8
98 35
+
42 35
=
140 35
98
+
42
=
4 1
9
42 47
+
26 47
=
68 47
10
26 12
+
36 12
=
62 12
26
+
36
=
31 6
11
36 58
+
34 58
=
70 58
36
+
34
=
35 29
12
34 24
+
62 24
=
96 24
34
+
62
=
4 1
13
62 48
+
51 48
=
113 48
14
51 10
+
34 10
=
85 10
51
+
34
=
17 2
15
34 99
+
26 99
=
60 99
34
+
26
=
20 33