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분수 2자리 (분모가 같은)

1
6 30
+
2 30
=
8 30
6
+
2
=
4 15
2
2 13
+
4 13
=
6 13
3
5 34
+
1 34
=
6 34
5
+
1
=
3 17
4
1 14
+
3 14
=
4 14
1
+
3
=
2 7
5
3 28
+
7 28
=
10 28
3
+
7
=
5 14
6
7 14
+
2 14
=
9 14
7
2 36
+
3 36
=
5 36
8
3 55
+
1 55
=
4 55
9
1 63
+
3 63
=
4 63
10
3 35
+
1 35
=
4 35
11
1 51
+
5 51
=
6 51
1
+
5
=
2 17
12
5 31
+
8 31
=
13 31
13
2 85
+
8 85
=
10 85
2
+
8
=
2 17
14
8 66
+
6 66
=
14 66
8
+
6
=
7 33
15
1 63
+
5 63
=
6 63
1
+
5
=
2 21