Module 4

1
Module 4

• Test Review

2
Adding and Subtracting Fractions
3
Adding and Subtracting Mixed Fractions
4
Sample Graph (3 colours)
5
Multiplying Fractions
Step 1 Rewrite mixed fractions as improper
fractions (You can NOT multiply fractions in
mixed fraction form!) Step 2 Cross reduce if
possible. Step 3 Multiply numerator times
numerator Step 4 Multiply denominator times
denominator Step 5 Reduce if needed.
6
Dividing Fractions

• Step 1 Change Mixed fractions to improper
• Step 2 Rewrite the problem (KSF)
• Keep the first fraction alone
• Switch the sign to multiplication
• Flip the second fraction
• Cross reduce if needed
• Multiply as usual
• Reduce