Fractions are ratios of integers. However you cannot divide by 0 or have 0 in the denominator. When you try to divide by 0, the result comes out as undefined. Having an undefined term will not help you solve inequalities or equations.
Base should look like __ from above. _ _ |_||_| |_| _ |_||_| If you were to look at the bottom of the stacked cubes from the bottom it should look like __. _ _ |_||_| _ |_| |_||_|
