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분수: 분모 2자리 덧셈4분수2

1
42 44
+
68 44
=
110 44
42
+
68
=
5 2
2
68 52
+
14 52
=
82 52
68
+
14
=
41 26
3
14 80
+
19 80
=
33 80
4
19 23
+
48 23
=
67 23
5
48 51
+
30 51
=
78 51
48
+
30
=
26 17
6
30 58
+
44 58
=
74 58
30
+
44
=
37 29
7
44 40
+
37 40
=
81 40
8
37 12
+
29 12
=
66 12
37
+
29
=
11 2
9
29 17
+
19 17
=
48 17
10
19 62
+
99 62
=
118 62
19
+
99
=
59 31
11
99 39
+
61 39
=
160 39
12
61 21
+
45 21
=
106 21
13
45 75
+
71 75
=
116 75
14
71 76
+
57 76
=
128 76
71
+
57
=
32 19
15
57 25
+
88 25
=
145 25
57
+
88
=
29 5