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how do you reduce the square root of 45 over 144 

 Mar 14, 2017
edited by Guest  Mar 14, 2017
edited by Guest  Mar 14, 2017
 #1
avatar+229 
+4

0.0465847495312456187

 Mar 14, 2017
 #2
avatar+9464 
+2

I'm guessing that 144 goes under the radical.

\(\sqrt{\frac{45}{144}} \\~\\ \frac{\sqrt{45}}{\sqrt{144}} \\~\\ \frac{\sqrt{(3)(3)(5)}}{12} \\~\\ \frac{3\sqrt{5}}{12} \\~\\ \frac{\sqrt{5}}{4}\)

 

If 144 is not under the radical:

\(\frac{3\sqrt{5}}{144} = \frac{\sqrt{5}}{48}\)

 Mar 14, 2017

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