43 1/4%    1/4%  = .25%  So 43 1/4% = 43% + 1/4% = 43% + .25%  =  43.25% which = .4325 as decimal.

2nd method

     43 1/4%  = 173/4%    This =  173/4/100  which =  173/4  ÷  100.  This = 

      173/4  x 1/100  which = 173/400 = .4325  return