Adding & Subtracting Fractions Review

• 7/9

• 4/12

• 6/9

• 5/10

• 7/10

• 1/8

• 10/8

• 4/5
• 3/20
• 17/20
• 4/20

• 10/35

• 2/5

• 2/7

• 2/35

What is the top number of a fraction called?

• numerator

• factor

• denominator

• sum

What is the bottom number of a fraction called?

• numerator

• factor

• denominator

• sum

When adding and subtracting fractions, what needs to be the same?

• the numerator

• the denominator

• nothing

• everything

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

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