![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The expression is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=fd35565c43fe12a2c5176c3edae123cc.png\")
Place value chart for 7.3 and 2.1.
\ ![\"\"](\"http://www.mathskey.com/userfiles/image/Library/Place_Value_Chart.gif\")
| \
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\
\ | \
\
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\
7 \ | \
\
3 \ | \
\
\ | \
\
\ | \
| \
\ | \
\
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\
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2 \ | \
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1 \ | \
\
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\
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![\"Text](\"file:///C:%5CDOCUME%7E1%5Craj%5CLOCALS%7E1%5CTemp%5Cmsohtmlclip1%5C01%5Cclip_image011.gif\")
Line up the decimal points and draw a line below the numbers.
\ ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5ae3a3237563f282947903b4d08742c3.png\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step2.JPG\")
First find the difference of the tenths digit.
\The difference of the tenths digit, ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2218938dc56ad2200ef1a12f17619919.png\")
.
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8c87a85b2a2632ad5d6e580b510e19a4.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, ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7b213d0c9db97af8f5b983cb023c6580.png\")
.
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9cffee8570193140a2429e930b3a1915.png\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The difference of ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=fd35565c43fe12a2c5176c3edae123cc.png\")
is 5.2.