![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
The expression is 0.57 + 2.8 \ \
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Place value chart for 0.57and 2.8. \ \
\![\"\"](\"/userfiles/image/Library/Place_value%20chart_pa76_p63.gif\")
Line up the decimal points and draw a line below the numbers.
\ \Annex zero to align the numbers.
\![\"\"](\"http://c4anything.com/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=da8e78dca73cee1a33ce4b3b046343d5.png\")
![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
\
First find the sum of the hundredths digit.
\The sum of the hundredths digit = 7 + 0 = 7. \ \
\![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e4a6303c33aeccc54ca68d8642070144.png\")
![\"\"](\"/userfiles/image/steps_images/step3.JPG\")
Next find the sum of the tenths digit.
\The sum of the tenths digit = 5 + 8 = 13.
\The sum is 13, so carry the tens digit to the next column on the left
\![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f75321fd651bcbdd68ce6dbf55e268a0.png\")
![\"\"](\"/userfiles/image/steps_images/step4.JPG\")
Next find the sum of the ones digit.
\The sum of the ones digit = 1 + 2 = 3.
\ \![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3069de7cd6a2436950695d8b45c2f1a4.png\")
\
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
The sum is 3.37.
\