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분수: 분모 2자리 덧셈4분수3

1
43 91
+
77 91
=
120 91
2
77 29
+
37 29
=
114 29
3
37 46
+
63 46
=
100 46
37
+
63
=
50 23
4
63 71
+
61 71
=
124 71
5
61 25
+
40 25
=
101 25
6
40 48
+
31 48
=
71 48
7
31 63
+
44 63
=
75 63
31
+
44
=
25 21
8
44 11
+
80 11
=
124 11
9
80 32
+
49 32
=
129 32
10
49 53
+
62 53
=
111 53
11
62 45
+
84 45
=
146 45
12
84 94
+
43 94
=
127 94
13
43 81
+
70 81
=
113 81
14
70 12
+
45 12
=
115 12
15
45 49
+
30 49
=
75 49