Multiplying Dividing Positive Negative Mixed Numbers

How to divide fractions and/or mixed numbers.

• Change mixed numbers to improper fractions if necessary.

• Keep

  Change

  Flip

• Simplify or cross cancel.

• Multiply numerators and denominators.

• Change improper fraction to mixed numbers if necessary.

Convert to a mixed number: 

• 4 2/5

• 3 9/5

• 4 4/5

• 4/5

- ⅔ × ⅔ =

• -4/9

• 4/9

• 4/3

• 4/6

¼ × ⅙ =

• 2/10

• 1/24

• 1/10

• 2/24

Convert to an improper fraction.

• 8/5

• 11/5

• 11/2

• 2/5

When Multiplying/Dividing Mixed Numbers you MUST 1st...

• Find the square roots.

• Subtract.

• Turn them to IMPROPER FRACTIONS!

• Find common denominators.

When DIVIDING FRACTIONS ...

• Add the fractions.

• Get a common denominator.

• Keep the 1st fraction, Change to multiplication, and Flip the 2nd fraction to its reciprocal.

• Subtract the fractions.

When MULTIPLYING FRACTIONS...

• You MUST get a common denominator.

• Multiply across the top, multiply across the bottom.

• Add the fractions.

• Subtract the fractions.

When MULTIPLYING AND DIVIDING a (Negative)(Negative) =

• a POSITIVE answer.

• a NEGATIVE answer.

• a square root.

• a mess.

• Divide 3 / 4.
  

• Divide 13 / 4.

• Multiply.

• Subtract