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분수 2자리 (분모가 같은)

1
3 48
+
1 48
=
4 48
3
+
1
=
1 12
2
1 92
+
7 92
=
8 92
1
+
7
=
2 23
3
7 77
+
2 77
=
9 77
4
2 85
+
3 85
=
5 85
2
+
3
=
1 17
5
3 15
+
1 15
=
4 15
6
1 65
+
4 65
=
5 65
1
+
4
=
1 13
7
4 34
+
3 34
=
7 34
8
3 56
+
5 56
=
8 56
3
+
5
=
1 7
9
5 62
+
7 62
=
12 62
5
+
7
=
6 31
10
7 24
+
8 24
=
15 24
7
+
8
=
5 8
11
8 37
+
3 37
=
11 37
12
2 30
+
5 30
=
7 30
13
5 55
+
8 55
=
13 55
14
8 45
+
7 45
=
15 45
8
+
7
=
1 3
15
7 53
+
5 53
=
12 53