The expression is
Place value chart for 6.6 and 8.2.
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8 \ | \
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Line up the decimal points and draw a line below the numbers.
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First find the sum of the tenths digit.
\The sum of the tenths digit, .
Next find the sum of the ones digit.
\The sum of the ones digit, .
The sum is 14, so carry the tens digit to the next column on the left.
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