Adding and Subtracting Fractions with Like and Unlike Denominators

7/9 - 4/9  (Simplest Form)

• 11
• 3/9
• 1/3
• 11/9

In the fraction 3/4, what is the denominator?

• 4
• 3
• 1
• 2

In the fraction 1/2, the number 1 is:

• The numerator
• The denominator
• The donator
• The nominator

  How do you add two fractions with like denominators?

• Add the denominators; keep the numerators the same
• Add the numerators and add the denominators
• Add the numerators to the denominators
• Add the numerators and keep the like denominators

4/8 + 2/8 =

• 1/4

• 8/8

• 3/4

• 8/16

  When subtracting fractions that don't have like denominators, what is the first step?

• Find their least common denominator
• Convert them to decimals
• Find their greatest common factor
• Subtract the numerators

4/8 + 1/3 =

• 5/11
• 4/8
• 13/24
• 4/11

What must you have to add and subtract fractions?

• Common numerators
• Different numerators
• Different denominators
• Common denominators

• 5 1/2
• 1 1/6
• 5 5/14
• 4 19/24

• 1/6
• 1
• 1/0
• 1/12