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분수: 분모 2자리 덧셈1분수3

1
13 21
+
74 21
=
87 21
13
+
74
=
29 7
2
74 58
+
15 58
=
89 58
3
15 32
+
21 32
=
36 32
15
+
21
=
9 8
4
21 16
+
74 16
=
95 16
5
74 65
+
25 65
=
99 65
6
25 33
+
43 33
=
68 33
7
43 43
+
20 43
=
63 43
8
20 11
+
85 11
=
105 11
9
85 14
+
36 14
=
121 14
10
36 73
+
43 73
=
79 73
11
43 55
+
65 55
=
108 55
12
65 62
+
48 62
=
113 62
13
48 11
+
85 11
=
133 11
14
85 48
+
28 48
=
113 48
15
28 93
+
80 93
=
108 93
28
+
80
=
36 31