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분수 2자리 (분모가 같은)

1
4 74
+
7 74
=
11 74
2
7 88
+
3 88
=
10 88
7
+
3
=
5 44
3
3 42
+
1 42
=
4 42
3
+
1
=
2 21
4
1 69
+
3 69
=
4 69
5
3 36
+
5 36
=
8 36
3
+
5
=
2 9
6
8 15
+
3 15
=
11 15
7
3 32
+
2 32
=
5 32
8
2 71
+
8 71
=
10 71
9
7 18
+
2 18
=
9 18
7
+
2
=
1 2
10
2 22
+
8 22
=
10 22
2
+
8
=
5 11
11
8 10
+
3 10
=
11 10
12
3 19
+
8 19
=
11 19
13
8 55
+
4 55
=
12 55
14
4 14
+
3 14
=
7 14
4
+
3
=
1 2
15
3 81
+
1 81
=
4 81