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분수: 분모 2자리 덧셈4분수9

1
49 75
+
25 75
=
74 75
2
25 86
+
31 86
=
56 86
25
+
31
=
28 43
3
31 63
+
59 63
=
90 63
31
+
59
=
10 7
4
59 44
+
13 44
=
72 44
59
+
13
=
18 11
5
13 37
+
11 37
=
24 37
6
11 22
+
38 22
=
49 22
7
38 46
+
43 46
=
81 46
8
43 80
+
26 80
=
69 80
9
26 36
+
23 36
=
49 36
10
23 36
+
27 36
=
50 36
23
+
27
=
25 18
11
27 41
+
73 41
=
100 41
12
73 56
+
91 56
=
164 56
73
+
91
=
41 14
13
91 85
+
52 85
=
143 85
14
52 53
+
76 53
=
128 53
15
76 16
+
94 16
=
170 16
76
+
94
=
85 8