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분수 2자리 (분모가 같은)

1
4 89
+
2 89
=
6 89
2
2 80
+
4 80
=
6 80
2
+
4
=
3 40
3
4 67
+
2 67
=
6 67
4
2 70
+
5 70
=
7 70
2
+
5
=
1 10
5
5 88
+
2 88
=
7 88
6
2 16
+
3 16
=
5 16
7
3 39
+
7 39
=
10 39
8
7 37
+
3 37
=
10 37
9
3 54
+
1 54
=
4 54
3
+
1
=
2 27
10
1 11
+
5 11
=
6 11
11
5 56
+
1 56
=
6 56
5
+
1
=
3 28
12
1 48
+
2 48
=
3 48
1
+
2
=
1 16
13
2 37
+
3 37
=
5 37
14
3 23
+
2 23
=
5 23
15
2 24
+
1 24
=
3 24
2
+
1
=
1 8