![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The expression is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=52892a2fa73a37cb34199c6f23bb60c7.png\")
.
To subtract fractions the denominators must be equal.
\Find the least common denominator (LCD).
\Multiples of 2: 2,4,6,8,10,12.....
\Multiples of 8: 8,16,24,32......
\The least common multiple of 2 and 8 is 8.
\Rewrite each fraction with a common denominator of 8.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a1e0464f61be5d38234a97441eb0738f.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=143f7ad73f7dcb117b393d27a2d42f00.png\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step2.JPG\")
Rewrite fractions using the LCD 8.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=dd81644f8d86cad44deb615aa300ee1f.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8f782334afa4cebf3f7d65f0a45e4625.png\")
(Subtract: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=766925c078574cc8d8bc8c8176b6fc6e.png\")
)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=63076aa7c8326878b43bf0b640b11384.png\")
(Cancel common terms)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The value of the expression is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=bf1818186c7563bb5296b45da4078c5d.png\")
.