Complex Fractions are basically Fractions within Fractions. Try solving the following problems on your own before clicking the 'show answer' button.
For guidelines on how to simplify complex fractions, you may like to check the following link: [br][url=http:\\www.regentsprep.org/regents/math/algtrig/atv2/simpcomplex.htm]http:\\www.regentsprep.org/regents/math/algtrig/atv2/simpcomplex.htm[/url]