Question

плис 1)15/16*8/9 2)5*2/11

Answer 1

1) 15/16*8/9=(3*5/8*2)*(8/3*3)=5/2*1/3=5*1/2*3=5/6  
2)5*2/11=5/1*2/11=5*2/1*11=10/11