#### Answer

=1
=0
undefined

#### Work Step by Step

When the numerator and denominator are equal, the value of the fraction is 1 because any number divided by itself is 1.
When the numerator is 0, the value of the fraction is 0 because 0 divided by any number is 0.
When the denominator is 0 the value of the fraction is undefined because division by 0 is undefined.