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분수 2자리 (분모가 같은)

1
6 15
+
4 15
=
10 15
6
+
4
=
2 3
2
4 53
+
2 53
=
6 53
3
2 83
+
3 83
=
5 83
4
3 35
+
8 35
=
11 35
5
8 58
+
7 58
=
15 58
6
7 28
+
5 28
=
12 28
7
+
5
=
3 7
7
5 48
+
2 48
=
7 48
8
2 42
+
3 42
=
5 42
9
3 63
+
4 63
=
7 63
3
+
4
=
1 9
10
4 90
+
5 90
=
9 90
4
+
5
=
1 10
11
5 89
+
4 89
=
9 89
12
4 80
+
6 80
=
10 80
4
+
6
=
1 8
13
6 25
+
4 25
=
10 25
6
+
4
=
2 5
14
4 93
+
6 93
=
10 93
15
6 82
+
9 82
=
15 82