Add and Subt Fractions Review

The number on the top of a fraction is called what?

• numerator
• denominator
• fractionator
• equivalent

The number on the bottom of a fraction is called what?

• numerator
• denominator

What must you have to add and subtract fractions?

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

8/9 - 1/3 = 

• 7/6
• 5/9
• 2/3
• 8/27

When adding fractions with like denominators, the denominators....

• stay the same

• are added together

When adding or subtracting fractions with unlike denominators, what is the first step?

• Add the numerators

• Add the denominators

• Find a common denominator

How can you find a common denominator?

• Add the denominators together

• Pick your favorite number

• Find a common multiple for the two denominators

After changing the denominator, what do you need to do to the numerator?

• Nothing

• Multiply the numerator by the same number as the denominator

• Double it