![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The expression is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=db636dd3082766229454bdb6ad9e10a8.png\")
.
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=313ff3d3e57aa1ac9fb88f52ddfd6890.png\")
(Substitute x = 5)
Find the least common denominator (LCD). \
Multiples of 1: 1,2,3,,4,5,6,7,8.....
\Multiples of 4: 4,8,12,16,20,........
\The least common multiple of 1 and 4 is 4.
\Rewrite each fraction with a common denominator of 4.
\![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c88ab2cb962a1809c061e32ba3fe7eb3.png\")
![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3d6976a31f5aca6ea67812c8591bbde7.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=bec0e2c5a675d37408f93ece2a25dfca.png\")
(LCM is 4)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b1c96228b01c0faf6fbfcc013d573695.png\")
(Subtract: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=001040494739fdc511dbe85fc5470d38.png\")
)
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The value is 2.5.