Given,
The fraction is,
[tex]\frac{1}{4}[/tex]To get the denominator equals to 20.
Divide the 20 by the denominator of the given fraction.
[tex]\frac{20}{4}=5[/tex]Multiplying 5 in numerator and denominator of the given fraction,
[tex]\frac{1}{4}\times\frac{5}{5}=\frac{5}{20}[/tex]The fraction has denominator 20 equal to given fraction is 5/20.
Similarly,
The second fraction is,
[tex]\frac{11}{10}[/tex]To get the denominator equals to 20.
Divide the 20 by the denominator of the given fraction.
[tex]\frac{20}{10}=2[/tex]Multiplying 2 in numerator and denominator of the given fraction,
[tex]\frac{11}{10}\times\frac{2}{2}=\frac{22}{20}[/tex]The fraction has denominator 20 equal to given fractionis,
[tex]\frac{22}{20}[/tex]Hence, the fraction equivalent to 1/4 with denomintor 20 is 5/20 and the fraction equivalent to 11/10 with denomintor 20 is 22/20.