The expression is .
(Use rule for multiplying fractions)
(Divide out common factor)
(Multiply: )
The simplified expression is .
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0a9457750a35c8de24e586dc411fc28a.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=97aed565b166503f15d53a30bf1aa3f7.png\")
(Use rule for multiplying fractions) ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2836fa2e734b8059732cd615e9b90358.png\")
(Divide out common factor) ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=81d3c2c37a8614a16c2991eb6cfe7ac4.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d7727d152a6a3748ab23fcd04d54cc2c.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=cdf69e671b49e38e88d435ca9389c56b.png\")
.