$\"\"$

The expression is $\"\"$ \ \

Place value chart for 8.6 and 1.1.

$\"\"$

$\"Text$ $\"Text$ Line up the decimal points and draw a line below the numbers.

$\"\"$

First find the difference of the tenths digit.

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

$\"\"$ \ \ $\"\"$

Next find the difference of the ones digit.

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

$\"\"$ \ \ $\"\"$

The difference is $\"\"$ .