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분수: 분모 2자리 덧셈1분수2

1
12 21
+
42 21
=
54 21
12
+
42
=
18 7
2
42 60
+
61 60
=
103 60
3
61 27
+
49 27
=
110 27
4
49 31
+
55 31
=
104 31
5
55 21
+
41 21
=
96 21
55
+
41
=
32 7
6
41 16
+
48 16
=
89 16
7
48 22
+
20 22
=
68 22
48
+
20
=
34 11
8
20 28
+
74 28
=
94 28
20
+
74
=
47 14
9
74 91
+
63 91
=
137 91
10
63 24
+
96 24
=
159 24
63
+
96
=
53 8
11
96 17
+
47 17
=
143 17
12
47 78
+
91 78
=
138 78
47
+
91
=
23 13
13
91 52
+
60 52
=
151 52
14
35 60
+
52 60
=
87 60
35
+
52
=
29 20
15
52 62
+
42 62
=
94 62
52
+
42
=
47 31