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=b9fad1d6cef6a6966bc6155e68db4800.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=15c8a8bb774f14d9533a3778298b39c8.png\")
(Use rule for multiplying fractions) ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c52d4df6b745156c7b70240f0c5e062f.png\")
(Divide out common factor) ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3fbe40212d5d73d80e05e6eed4859e4c.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=aa4ab6aea726f71d3174fefd6d32bf19.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=95ad5d2cd5b54c187632a16053a309c9.png\")
.