Divide Fractions

# Divide Fractions

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## Divide Fractions

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1. Divide Fractions

2. NOTES: Divide Fractions with Models means how many ’s are in ? So, I have 4 groups of 2! Let’s try a fraction: • means how many ’s are in ? • So, I have 8 groups of ½!

3. NOTES: Dividing Fractions DO NOT Have to FIND COMMON DENOMINATORS! VOCAB: The product of a fraction and its reciprocal (or multiplicative inverse) is 1. …To make a reciprocal, flip the fraction upside down! Rewrite in fraction form – Turn mixed #’s & whole #’s into improper fractions! 2. Multiply by the reciprocal. **Keep It – Change It – Flip It Method 3. As always…SIMPLIFY!

4. NOTES: Dividing Fractions Multiplying Fractions, Ain’t no problem! Top times Top, and Bottom times Bottom. Dividing Fractions, Don’t be shy! Flip the second And multiply.

5. EXAMPLES: Dividing Fractions 1 2 1 3 1

6. EXAMPLES: Dividing Fractions 1 4 3 1 5 19 5 6 4

7. **If you want to find common denominators, you can. Your denominators will divide away, and you will divide the numerators straight across. Once you have a common denominator, divide straight across. 3 ÷ 2 =