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분수: 분모 2자리 덧셈7분수5

1
75 12
+
65 12
=
140 12
75
+
65
=
35 3
2
65 54
+
44 54
=
109 54
3
44 31
+
84 31
=
128 31
4
84 56
+
72 56
=
156 56
84
+
72
=
39 14
5
72 28
+
54 28
=
126 28
72
+
54
=
9 2
6
54 12
+
45 12
=
99 12
54
+
45
=
33 4
7
45 31
+
43 31
=
88 31
8
43 55
+
86 55
=
129 55
9
86 29
+
20 29
=
106 29
10
20 75
+
93 75
=
113 75
11
93 79
+
13 79
=
106 79
12
13 74
+
98 74
=
111 74
13
+
98
=
3 2
13
98 27
+
31 27
=
129 27
98
+
31
=
43 9
14
18 23
+
13 23
=
31 23
15
13 15
+
16 15
=
29 15