$\"\"$

The expression is $\"\"$ .

Place value chart for 47 and 24. \ \

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

$\"\"$

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \

\ \	\ \	\ 4 \	\ 7 \ \ \	\ \ \ \	\ \	\ \
\ \	\ \	\ 2 \	\ 4 \ \ \	\ \ \ \	\ \	\ \

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

$\"\"$

First find the difference of the ones digit.

The difference of the ones digit = $\"\"$ .

$\"\"$

Next find the difference of the tens digit.

The difference of the tenths digit = $\"\"$ .

$\"\"$

The difference is 23.