Adding and Subtracting Fractions with LIKE denominators

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• 7

• How many pieces make 1 whole

• How many pieces I have

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• How many pieces make 1 whole

• How many pieces I have

What are the steps for making two unlike denominators like?

• Look at the denominators

• Find the LCM or use the butterfly method

• Convert (change) the fractions based on the OPPOSITE denominator to find the Common Denominator

• Multiply the numerators by the same opposite denominator

• Rewrite your now completed converted fractions

Which of the following fractions are simplified?

When solving for LIKE denominator fractions, what are the steps?

• Line up your fractions (top to bottom)

• Line up your whole numbers (if any) with the fractions they were with

• Bring the denominator straight down

• Solve for your numerators and regroup if needed

• Solve your whole numbers with any possible regroupings.

True or false: You CAN just add fractions with UNLIKE denominators

• True

• False

Mathematical Equivalence

ON

Mathematical Equivalence

ON

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• 8

• How many pieces make 1 whole

• How many pieces I have