Hello there!
First you had to solving by the fractions parts.

Then you reducing by the fraction parts of 12/9.

And finally, you simplify by the fraction parts of 4/3.

Solution by Formulas
Applying the fractions formula for addiction.



Simplifying 108/81 and the answer is

Hope this helps!
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-Charlie
Answer: 108
lmk if this is wrong
Step-by-step explanation:
V=1/3bh
V=1/3(1/2bh)(h)
V=1/3(1/2)(9)(6)(12)
(i simplified)
V=(1)(1)(3)(6)(6)
V=108