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\frac{3}{2}\times \frac{\sqrt{5}}{\sqrt{3}}-\sqrt{\frac{5}{4}}
Rewrite the square root of the division \sqrt{\frac{5}{3}} as the division of square roots \frac{\sqrt{5}}{\sqrt{3}}.
\frac{3}{2}\times \frac{\sqrt{5}\sqrt{3}}{\left(\sqrt{3}\right)^{2}}-\sqrt{\frac{5}{4}}
Rationalize the denominator of \frac{\sqrt{5}}{\sqrt{3}} by multiplying numerator and denominator by \sqrt{3}.
\frac{3}{2}\times \frac{\sqrt{5}\sqrt{3}}{3}-\sqrt{\frac{5}{4}}
The square of \sqrt{3} is 3.
\frac{3}{2}\times \frac{\sqrt{15}}{3}-\sqrt{\frac{5}{4}}
To multiply \sqrt{5} and \sqrt{3}, multiply the numbers under the square root.
\frac{3\sqrt{15}}{2\times 3}-\sqrt{\frac{5}{4}}
Multiply \frac{3}{2} times \frac{\sqrt{15}}{3} by multiplying numerator times numerator and denominator times denominator.
\frac{\sqrt{15}}{2}-\sqrt{\frac{5}{4}}
Cancel out 3 in both numerator and denominator.
\frac{\sqrt{15}}{2}-\frac{\sqrt{5}}{\sqrt{4}}
Rewrite the square root of the division \sqrt{\frac{5}{4}} as the division of square roots \frac{\sqrt{5}}{\sqrt{4}}.
\frac{\sqrt{15}}{2}-\frac{\sqrt{5}}{2}
Calculate the square root of 4 and get 2.
\frac{\sqrt{15}-\sqrt{5}}{2}
Since \frac{\sqrt{15}}{2} and \frac{\sqrt{5}}{2} have the same denominator, subtract them by subtracting their numerators.