The expression is .
(aSubtract numerator: )
(Subtract denominator: )
(Divide: )
The simplest form is 2.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f1b38b99c394f67dd2dff8834d802954.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8d382267b5334c3c7432665cbdbd41e8.png\")
(aSubtract numerator: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=824d8d6c433b7996e768fa76dcb6df4e.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2a8adc86349fe081e2e703cef04a85d2.png\")
(Subtract denominator: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e2b367dc8d0894b61b19ecca45d49586.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6115ae333070247eb049ff3f20596353.png\")
(Divide: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=44893445e03d4746750515561cebdd19.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")