![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The expression is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=48a1cfb80cf19dd55e9ecdda4925dd5c.png\")
.
If the denominator of the fraction is 1 unit, the rate is called a unite rate.
\The denominator of the fraction is 4. Therefore divide numerator and denominator by 4.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d7be55e7a08b2a08c7bb15037a81580c.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e59e65f51bf68552495a179bcb8fec5a.png\")
The unite rate is 8 students per group.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The unite rate is 8 students per group or ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=719c4395b4dd402e6088858a02a50277.png\")
.