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분수: 분모 2자리 덧셈1분수5

1
15 42
+
35 42
=
50 42
15
+
35
=
25 21
2
35 78
+
27 78
=
62 78
35
+
27
=
31 39
3
27 27
+
33 27
=
60 27
27
+
33
=
20 9
4
33 92
+
58 92
=
91 92
5
58 51
+
29 51
=
87 51
58
+
29
=
29 17
6
29 22
+
33 22
=
62 22
29
+
33
=
31 11
7
33 94
+
23 94
=
56 94
33
+
23
=
28 47
8
23 23
+
28 23
=
51 23
9
28 33
+
44 33
=
72 33
28
+
44
=
24 11
10
44 64
+
27 64
=
71 64
11
27 31
+
53 31
=
80 31
12
53 12
+
35 12
=
88 12
53
+
35
=
22 3
13
35 33
+
11 33
=
46 33
14
11 14
+
56 14
=
67 14
15
56 61
+
91 61
=
147 61