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분수 2자리 (분모가 같은)

1
42 21
+
12 21
=
54 21
42
+
12
=
18 7
2
12 48
+
71 48
=
83 48
3
71 94
+
40 94
=
111 94
4
40 32
+
60 32
=
100 32
40
+
60
=
25 8
5
60 42
+
85 42
=
145 42
6
85 83
+
53 83
=
138 83
7
53 32
+
31 32
=
84 32
53
+
31
=
21 8
8
31 22
+
60 22
=
91 22
9
60 49
+
96 49
=
156 49
10
96 10
+
44 10
=
140 10
96
+
44
=
14 1
11
44 33
+
15 33
=
59 33
12
15 58
+
23 58
=
38 58
15
+
23
=
19 29
13
23 55
+
75 55
=
98 55
14
75 42
+
94 42
=
169 42
15
94 57
+
60 57
=
154 57