# Simplifying Square roots.

• Mar 4th 2011, 10:21 AM
isuckatallmath
Simplifying Square roots.

http://littleimg.com/files/48220_o6nuh/help.gif

I understand the sqrt of 49 is 7 so you take that out, but where the heck did the sqrt 1/2 in the numerator and 5 in the denominator come from?
• Mar 4th 2011, 10:36 AM
earboth
Quote:

Originally Posted by isuckatallmath
$\sqrt{\dfrac{49}{50}}= \sqrt{\dfrac{49}{25\cdot 2}}= \sqrt{\dfrac{49\cdot \frac12}{25}}$