\
The expression is
.
\
The LCD of 3
m
, 7
m
and 2
m
is 42
m
.
\
\
\
\
\
\
The simplified expression
is
.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f63cd2739d11015977a362dfc255e7f7.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c570058731c1236062bd0b709bc2c019.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5e9d5d7bb22d8b4512b2315737a4230a.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=43d1f75ead1f3e2d52614454ed1038a3.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=fe794b99f014e03ee71065ba0828a66e.png\")
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=daae244e76602536b51554c8fd9fb031.png\")
.