Question

Simplifique as fraçoes
1-18/81
2-96/48
3-77/88
4-49/56
5-19/133
6-20-40
7-99/45
9-4X12/48
10-1X19/57
11-7X13/117
12-3X56/72

Answer 1

1- 2/9
2-6/3
3-7/8
4-7/8
5-1/7
6-1/2
7-11/5
9- 1
10-1/3 
11-7/9
12- 2  1/3