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분수 2자리 (분모가 같은)

1
2 28
+
1 28
=
3 28
2
1 33
+
5 33
=
6 33
1
+
5
=
2 11
3
5 44
+
3 44
=
8 44
5
+
3
=
2 11
4
3 57
+
4 57
=
7 57
5
4 44
+
3 44
=
7 44
6
3 18
+
5 18
=
8 18
3
+
5
=
4 9
7
6 85
+
4 85
=
10 85
6
+
4
=
2 17
8
4 22
+
8 22
=
12 22
4
+
8
=
6 11
9
8 65
+
6 65
=
14 65
10
6 53
+
4 53
=
10 53
11
4 45
+
6 45
=
10 45
4
+
6
=
2 9
12
6 34
+
2 34
=
8 34
6
+
2
=
4 17
13
2 31
+
1 31
=
3 31
14
1 23
+
2 23
=
3 23
15
2 27
+
9 27
=
11 27