question_answer

Express \[\left[ \frac{-1}{4}-\left( \frac{-1}{6} \right) \right]\div \left[ \frac{1}{3}+\left( \frac{1}{2} \right) \right]\] in the simplest form.

A) \[\frac{-2}{3}\]                                 

B) \[\frac{1}{2}\]  

C) \[\frac{2}{3}\]                   

D)        \[\frac{-1}{2}\]