![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The expression is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0672fecbec0aa4be491ecff9d080d7a7.png\")
Place value chart for ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b24aaa441cd7262df3aea73fc9cc63ed.png\")
and 4.2.
![\"\"](\"http://www.mathskey.com/userfiles/image/Library/Place_Value_Chart.gif\")
| \
\ | \
\
\ | \
\
\ | \
\
9 \ | \
\
4 \ | \
\
\ | \
\
\ | \
| \
\ | \
\
\ | \
\
\ | \
\
4 \ | \
\
2 \ | \
\
\ | \
\
\ | \
\
Line up the decimal points and draw a line below the numbers.
\\
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=97d401bcbdc2ba76365b18bf353f005a.png\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step2.JPG\")
First find the sum of the tenths digit.
\The sum of the tenths digit ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=40885f0ce7bdc60dc3527651e90285f7.png\")
.
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e96cabd4d46edc6d0047b700017b00ad.png\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step3.JPG\")
Next find the difference of the ones digit.
\The difference of the ones digit =![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3eb776941be6314dcbe6aa092a49c28e.png\")
.
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0e2a37489c583433e5049019e4ee901d.png\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The difference is![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=722b17df9727ddf71b8e2eec1389dfb2.png\")
.