1. Adding and Subtracting with Unlike Denominators
Fabulous Fractions
Adding and Subtracting with Unlike Denominators

2. Step 1 Find a common denominator
Find a number that both denominators are factors.
List first 5 multiples of each denominator
Find one they have in common

3. Step 2 Make equivalent fraction with the common denominator
Remember to do the same to both the numerator and the denominator

4. Step 3
Add or subtract numerators

5. Step 4
Keep the same denominator

6. Step 5
Simplify
Find a number that both the numerator and denominator can be divided.
Continue until there is not any number that can go into both the numerator and denominator

7. Step 6
Check your work!