Numerator is the the number above the line on a fraction, while the denominator is the number underneath the line.

is similar to

Fraction with numerator -6 and denominator 8
So he is over budget by $90 and he needs to allocate his bills to allow for it
The answer to -15.375÷0 would be neither. This is because you can't divide any number by zero. Any number tried to be divided by zero would be undefined.
Answer:
The prime factorization of 240, with exponents, is 24 × 3 × 5.