Rational Numbers with Fractions

• Change Mixed numbers into improper fractions.

• Get common denominators and equivalent fractions.

• Follow Adding Rules across the top and keep the same denominator.

• All of the above.

• Divide 3 / 4.
  

• Divide 13 / 4.

• Multiply.

• Subtract

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.

• Add -5 + 7.

• Subtract -5 - 7.
  

• Multiply -5 x 7.
  

• Divide -5 / 7.

How do you subtract rational numbers? \left(-7.18\right) \ - \ \left(-8.25\right)

• Multiply the values.

• Divide the values.

• Keep - Change - Opposite

• Make mixed numbers.