1. How to add and subtractions with different denominators
Fractions
How to add and subtractions with different denominators

2. Fractions: Review Example Parts Addition Subtraction Division
multiplication

3. Fractions: Different Denominators
The least common denominator or LCD of two fractions is the smallest number than can be divided by both denominators

4. Fractions with different denominators
To find the least common denominator, you will divide both the numerator and the denominator by their least common factor

5. Example: 3 / 4 + 1/ 6 = ? What is common to both 4 and 6?
You are right, it is 12
¾=9/12
1/6=2/12
9/12 + 2/12= 11/12

6. Finding the LCD

7. Example:

8. Instructions: samples

10. Scoring Rubric
Your Rubric Math - Problem Solving Fun with Fractions.mht

11. More On-line Resources

12. The End I do hope that you enjoyed this journey with fractions.
Remember practice your problems often.
Take time to apply real world situations to your work.
Good Bye!!