Respuesta :

pegah
for this question you can say:
1 3/4 = 7/4 
and
6 2/3 = 20/3 
so now you should say: 
7/4 * 20/3 = 140/12 = 70/6 = 35/3 
and thats the simplest form :)))
I hope this is helpful 
have a nice day