Question 193284
{{{sqrt(1&9/16)}}} Start with the given expression.



{{{sqrt(25/16)}}} Convert the mixed fraction to an improper fraction



{{{sqrt(25)/sqrt(16)}}} Break up the square root



{{{5/4}}} Take the square root of 25 to get 5. Take the square root of 16 to get 4.  



So {{{sqrt(1&9/16)=5/4}}}