The expression is
Line up the decimal points and subtract the corresponding columns.
(Subtract )
The difference is
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=576744b2d2373f3450b3ee5ae07afa9f.png\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=53f662eae3295b95c7f15f8eb1e61fda.png\")
(Subtract ![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=18da29ab58debb2533bf78cfb6bc358d.png\")
) ![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1002ac529426e5e26612f87157ab9c3c.png\")