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분수 2자리 (분모가 같은)

1
2 28
+
6 28
=
8 28
2
+
6
=
2 7
2
6 10
+
5 10
=
11 10
3
5 68
+
2 68
=
7 68
4
2 47
+
3 47
=
5 47
5
3 21
+
5 21
=
8 21
6
5 45
+
4 45
=
9 45
5
+
4
=
1 5
7
4 96
+
9 96
=
13 96
8
9 33
+
7 33
=
16 33
9
7 73
+
2 73
=
9 73
10
5 12
+
8 12
=
13 12
11
8 11
+
9 11
=
17 11
12
2 99
+
1 99
=
3 99
2
+
1
=
1 33
13
1 89
+
3 89
=
4 89
14
3 14
+
4 14
=
7 14
3
+
4
=
1 2
15
4 51
+
2 51
=
6 51
4
+
2
=
2 17