Answer:

Step-by-step explanation:
First step:
Find LCD (<em>Least Common Denominator</em>).
List of multiples of 8: 0, 8, 16, 24, 32, ...
List of multiples of 6: 0, 6, 12, 18, 24, 30, ...
LCD = 24

We know: (-)(-) = (+), (+)(+) = (+), (-)(+) = (+)(-) = (-)
Therefore:
