The expression is .
(Subtract numerator: )
(Subtract denominator: )
(Divide: )
The simplest form is 6.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1ecc117a2dc5429f47dbbb2a420b2589.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5e0346a38c21d61e7cd9f65c2ed49ac2.png\")
(Subtract numerator: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5a25dd188f3bc09a40fe083cef0f1a2e.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=439d7c9960508adc0a72f6d71af25ea8.png\")
(Subtract denominator: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=01cf4502db9c7540caaee79589b5b283.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=74ff192603cb395028371a6c9ae1251e.png\")
(Divide: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=037cde186549c43537b7b09753925490.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")