Home > MC2 > Chapter 5 > Lesson 5.2.1 > Problem 5-47
5-47.
Simplify the following expressions.
Change to addition.
Find a common denominator.
Find a common denominator.
See part (b).
Recall that adding a negative number is essentially subtraction.
Remember that when you subtract a negative number you are essentially adding it.
Remember, the solution will have the same sign as the larger number.