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분수 2자리 (분모가 같은)

1
2 57
+
1 57
=
3 57
2
+
1
=
1 19
2
1 36
+
4 36
=
5 36
3
4 32
+
3 32
=
7 32
4
3 59
+
4 59
=
7 59
5
4 33
+
1 33
=
5 33
6
1 55
+
8 55
=
9 55
7
8 11
+
9 11
=
17 11
8
9 43
+
2 43
=
11 43
9
2 31
+
5 31
=
7 31
10
5 90
+
1 90
=
6 90
5
+
1
=
1 15
11
1 44
+
8 44
=
9 44
12
8 66
+
1 66
=
9 66
8
+
1
=
3 22
13
1 14
+
3 14
=
4 14
1
+
3
=
2 7
14
3 65
+
2 65
=
5 65
3
+
2
=
1 13
15
2 92
+
9 92
=
11 92