Answer :

we have 
let us assume that that 
[tex]\frac{5}{11}<\frac{3}{7}[/tex]
so we cross multiply
[tex]35<33[/tex]
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.
5/11 and 3/7
 ×7  =35
11   7    77

3
 ×11 =33
7    11   77

Here 35  is greater than 33
        77                        77

so 5    is greater
  11 

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