[tex]x=\sqrt{3\frac1{16}}=\sqrt{\frac{49}{16}}=\frac{7}4\\y=\sqrt{2\frac79}=\sqrt{\frac{25}9}=\frac53[/tex]
[tex]x-y=\frac74-\frac53=\frac{21}{12}-\frac{20}{12}=\frac1{12}\\\frac{x}{y}=\frac{\frac74}{\frac53}=\frac74:\frac53=\frac74*\frac35=\frac{21}{20}=1\frac1{20}[/tex]
