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분수: 분모 2자리 덧셈2분수0

1
20 45
+
25 45
=
45 45
20
+
25
=
1 1
2
25 27
+
81 27
=
106 27
3
81 85
+
21 85
=
102 85
81
+
21
=
6 5
4
21 43
+
79 43
=
100 43
5
79 24
+
20 24
=
99 24
79
+
20
=
33 8
6
20 25
+
87 25
=
107 25
7
87 60
+
12 60
=
99 60
87
+
12
=
33 20
8
12 17
+
19 17
=
31 17
9
19 43
+
64 43
=
83 43
10
64 19
+
53 19
=
117 19
11
53 42
+
52 42
=
105 42
53
+
52
=
5 2
12
52 52
+
21 52
=
73 52
13
21 62
+
22 62
=
43 62
14
22 23
+
80 23
=
102 23
15
80 52
+
56 52
=
136 52
80
+
56
=
34 13