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분수 2자리 (분모가 같은)

1
5 27
+
1 27
=
6 27
5
+
1
=
2 9
2
1 76
+
4 76
=
5 76
3
4 15
+
5 15
=
9 15
4
+
5
=
3 5
4
5 81
+
3 81
=
8 81
5
3 61
+
2 61
=
5 61
6
2 18
+
8 18
=
10 18
2
+
8
=
5 9
7
8 20
+
4 20
=
12 20
8
+
4
=
3 5
8
1 84
+
2 84
=
3 84
1
+
2
=
1 28
9
2 60
+
3 60
=
5 60
2
+
3
=
1 12
10
9 53
+
1 53
=
10 53
11
2 51
+
5 51
=
7 51
12
5 96
+
4 96
=
9 96
5
+
4
=
3 32
13
4 78
+
2 78
=
6 78
4
+
2
=
1 13
14
2 42
+
1 42
=
3 42
2
+
1
=
1 14
15
1 84
+
2 84
=
3 84
1
+
2
=
1 28