$\"\"$

The expression is $\"\"$

Place value chart for $\"\"$ and $\"\"$ .

$\"\"$

Line up the decimal points and draw a line below the numbers.

Annex zero to align the numbers.

$\"\"$

First find the sum of the hundredths digit.

The sum of the hundredths digit = 7 + 0 = 7.

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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

$\"\"$

$\"\"$

Next find the sum of the ones digit.

The sum of the ones digit = 1 + 2 = 3.

$\"\"$

The sum is $\"\"$ .