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분수 2자리 (분모가 같은)

1
2 58
+
3 58
=
5 58
2
3 20
+
2 20
=
5 20
3
+
2
=
1 4
3
2 99
+
4 99
=
6 99
2
+
4
=
2 33
4
4 12
+
2 12
=
6 12
4
+
2
=
1 2
5
2 27
+
7 27
=
9 27
2
+
7
=
1 3
6
7 56
+
1 56
=
8 56
7
+
1
=
1 7
7
1 43
+
3 43
=
4 43
8
3 23
+
4 23
=
7 23
9
4 97
+
1 97
=
5 97
10
4 60
+
1 60
=
5 60
4
+
1
=
1 12
11
1 12
+
7 12
=
8 12
1
+
7
=
2 3
12
7 93
+
8 93
=
15 93
7
+
8
=
5 31
13
8 53
+
1 53
=
9 53
14
1 84
+
8 84
=
9 84
1
+
8
=
3 28
15
8 25
+
9 25
=
17 25