Answer :
[tex]\rm ^{2)}\frac{3}{10}+ \frac{5}{100}^{(5}= \frac{6}{20}+ \frac{1}{20} =\boxed{\rm \frac{7}{20} }[/tex]
3/10 (multiply by 10) is 30/100. So 30/100+5/100 is 35/100
So simplify 35/100 by 5 and you should get 7/20
So simplify 35/100 by 5 and you should get 7/20