Fractions Add, Subtract, Multiplication, Division

• 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.

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.

How do you subtract fractions?

• You subtract tops and bottoms separately.

• You make sure they have the same denominator, then subtract the numerators.

What is a denominator?

• The bottom of the fraction

• The top of the fraction

How do you multiply fractions?

• You multiply the numerator and denominator together

• You add the numerator and denominator

• You multiply the tops and bottoms separately

How do you add fractions?

• You add tops and bottoms separately.

• You make sure fractions have the same denominator, then you add the numerators.

What is (2/3) * (2/4)

• 4/7

• 4/12 or 1/3

• 4/6

• 2/3

What is 3/4 + 8/4

• 1/4

• 3/8

• 11/4

• 24/16