2 x (2/3 - 0.5) answer in lowest term

I would convert .5 into a fraction, making it 1/2. Then, I would find a common denominator for 2/3 and 1/2. What you get is: (4/6 - 3/6)

So, 2 x (4/6 - 3/6)

      2 x (1/6)

          2/6

=1/3

 

hope this helps!