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분수: 분모 2자리 덧셈4분수9

1
49 81
+
19 81
=
68 81
2
19 45
+
73 45
=
92 45
3
73 32
+
50 32
=
123 32
4
83 50
+
60 50
=
143 50
5
60 12
+
51 12
=
111 12
60
+
51
=
37 4
6
51 18
+
36 18
=
87 18
51
+
36
=
29 6
7
36 21
+
18 21
=
54 21
36
+
18
=
18 7
8
18 64
+
20 64
=
38 64
18
+
20
=
19 32
9
20 58
+
75 58
=
95 58
10
75 46
+
63 46
=
138 46
75
+
63
=
3 1
11
63 81
+
57 81
=
120 81
63
+
57
=
40 27
12
57 45
+
23 45
=
80 45
57
+
23
=
16 9
13
23 42
+
31 42
=
54 42
23
+
31
=
9 7
14
31 33
+
46 33
=
77 33
31
+
46
=
7 3
15
64 84
+
66 84
=
130 84
64
+
66
=
65 42