Answer:

Step-by-step explanation:
An Improper Fraction has a top number larger than (or equal to) the bottom number.
To convert a whole number -12 into an improper fraction we can divide the whole number by one to turn it into a temporary fraction.

Also we could multiply and divide -12 by another number greater than one, for example:

There are several ways we can write -12 in the improper fraction form.
Maybe because you're finding the "difference" between the two numbers. We could also question why the answer to an addition problem is called sum.
Well, 'sum'body said that's what they should be called a long time ago, that's why we're using that term to call them now.
Answer:
3/6
Step-by-step explanation:
no idea if its right
Answer:
87
Step-by-step explanation:
If you look at the numbers upside down they are 86, 88, 89, 90 and 91 so the number that is covered by the car is 87.
Anything in the negatives like -2*2=-4-1 = -5
Or positive values up to 5
2*5=10-1=9