SOLUTION: Tutor could you help me please: Thank you...What is 3/2b-5/3b^3

Algebra ->  Signed-numbers -> SOLUTION: Tutor could you help me please: Thank you...What is 3/2b-5/3b^3      Log On


   



Question 86150: Tutor could you help me please: Thank you...What is
3/2b-5/3b^3

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
[3/2b] - [5/3b^3]
--------
The lcm = 6b^3
Rewrite each fraction with the lcm as its denominator:
-------------
[6b^2/lcm] - [10/lcm]
Combine the numerators to get:
[6b^2-10]/6b^3
---------
Simplify:
[3b^2-5]/3b^3
================
Cheers,
Stan H.