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분수 2자리 (분모가 같은)

1
4 89
+
5 89
=
9 89
2
5 31
+
2 31
=
7 31
3
2 54
+
9 54
=
11 54
4
9 22
+
2 22
=
11 22
9
+
2
=
1 2
5
2 52
+
7 52
=
9 52
6
7 45
+
8 45
=
15 45
7
+
8
=
1 3
7
8 43
+
7 43
=
15 43
8
7 23
+
1 23
=
8 23
9
1 51
+
7 51
=
8 51
10
1 57
+
3 57
=
4 57
11
3 14
+
4 14
=
7 14
3
+
4
=
1 2
12
4 26
+
3 26
=
7 26
13
3 25
+
5 25
=
8 25
14
5 24
+
3 24
=
8 24
5
+
3
=
1 3
15
3 42
+
7 42
=
10 42
3
+
7
=
5 21