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분수 2자리 (분모가 같은)

1
3 73
+
2 73
=
5 73
2
2 45
+
4 45
=
6 45
2
+
4
=
2 15
3
4 30
+
1 30
=
5 30
4
+
1
=
1 6
4
1 60
+
4 60
=
5 60
1
+
4
=
1 12
5
4 27
+
3 27
=
7 27
6
3 48
+
1 48
=
4 48
3
+
1
=
1 12
7
1 53
+
4 53
=
5 53
8
4 84
+
1 84
=
5 84
9
7 31
+
4 31
=
11 31
10
4 61
+
9 61
=
13 61
11
9 82
+
1 82
=
10 82
9
+
1
=
5 41
12
1 45
+
8 45
=
9 45
1
+
8
=
1 5
13
8 78
+
5 78
=
13 78
8
+
5
=
1 6
14
5 32
+
1 32
=
6 32
5
+
1
=
3 16
15
1 91
+
5 91
=
6 91