Add/Subtract Signed Fractions

Label the fraction addition problem:

a

b

c

Which of these is NOT a part of the process to add/subtract fractions?

• Turn mixed numbers into improper fractions

• Use integer rules

• KCC

• Add the denominators

• TRUE

• FALSE

• TRUE

• FALSE

• TRUE

• FALSE

Sort the problems by if you should use KCC or not:

Groups:

(a) KCC

,

(b) No KCC

Match! How should you combine the fractions?

• ADD

  final answer will be POSITIVE

• SUBTRACT

  final answer will be NEGATIVE

• ADD

  final answer will be NEGATIVE

• SUBTRACT

  final answer will be POSITIVE