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분수 2자리 (분모가 같은)

1
1 74
+
3 74
=
4 74
1
+
3
=
2 37
2
3 44
+
4 44
=
7 44
3
4 58
+
3 58
=
7 58
4
3 74
+
5 74
=
8 74
3
+
5
=
4 37
5
5 73
+
1 73
=
6 73
6
1 86
+
4 86
=
5 86
7
4 27
+
6 27
=
10 27
8
6 45
+
1 45
=
7 45
9
1 45
+
4 45
=
5 45
1
+
4
=
1 9
10
4 53
+
3 53
=
7 53
11
3 24
+
7 24
=
10 24
3
+
7
=
5 12
12
7 15
+
9 15
=
16 15
13
9 57
+
1 57
=
10 57
14
1 42
+
8 42
=
9 42
1
+
8
=
3 14
15
8 54
+
4 54
=
12 54
8
+
4
=
2 9