Posted by consquela on Wednesday, March 14, 2012 at 6:39pm.
The prime number in 5/6 is 5.
http://www.google.com/#hl=en&sclient=psy-ab&q=square+root+69&oq=square+root+69&aq=f&aqi=g2g-m1&aql=&gs_sm=3&gs_upl=2l4419l3l4880l14l9l0l5l5l0l159l936l5.4l14l0&gs_l=serp.3..0l2j0i5.2l4419l3l4880l14l9l0l5l5l0l159l936l5j4l14l0&pbx=1&bav=on.2,or.r_gc.r_pw.r_qf.,cf.osb&fp=95e6f5d098e4da22&biw=711&bih=453
20/65
Divide the numerator and denominator by 5.
4/13 = 20/65
post it.