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분수: 분모 2자리 덧셈4분수8

1
48 77
+
62 77
=
110 77
48
+
62
=
10 7
2
62 51
+
20 51
=
82 51
3
20 63
+
71 63
=
91 63
20
+
71
=
13 9
4
71 31
+
42 31
=
113 31
5
42 20
+
37 20
=
79 20
6
37 29
+
64 29
=
101 29
7
64 92
+
77 92
=
141 92
8
77 31
+
42 31
=
119 31
9
42 16
+
41 16
=
83 16
10
41 11
+
52 11
=
93 11
11
52 92
+
65 92
=
117 92
12
65 28
+
73 28
=
138 28
65
+
73
=
69 14
13
73 34
+
16 34
=
89 34
14
16 75
+
52 75
=
68 75
15
52 32
+
45 32
=
97 32