Question

which is greater 5/11 or 3/7

Answer 1

we have 
let us assume that that 
$\frac{5}{11}<\frac{3}{7}$
so we cross multiply
$35<33$
which we know is wrong ,numerically 
so we get that
5/11 > 3/7
PLZ moderators are requested not to delete the answer as it is the right method.....THANK YOU.

Answer 2

5/11 and 3/7
  5 ×7  =35
11   7    77

3  ×11 =33
7    11   77

Here 35  is greater than 33
        77                        77

so 5    is greater
  11