1. Picture This! Reducing Fractions
with a multiplication table

2. and want to reduce it to lowest terms,
If you have 8 12
and want to reduce it to lowest terms,

3. you might know to divide top and bottom by 4,
so you get 2 3

4. But what if you didn’t know how to do that?
You can just take your fraction and …

5. Grab a multiplication table

6. Find the numerator AND denominator in one of the columns

7. And look left

8. reduces to 8 12 2 3

9. But what if you saw 8 and 12 here?
Look left

10. You see 4 and 6 8 12 4 6 =
So far, so good

11. Now find the 4 and 6 in the same column
Look left

12. reduces to 4 6 2 3

13. Whatever you do to the bottom,
you have to do to the top 2 2

14. 2 2 8 12 4 6 2 3 = =

18. Try the comparing Pairs page in your packet

19. Do you think that there is an easy way to do it with out the fraction bars?

20. What’s Missing?
How could you use the fraction bars to find the missing number?

21. Try the What’s Missing page in your packet

22. Is there another way if you do not have your fraction bars?