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Picture This! Reducing Fractions

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Presentation on theme: "Picture This! Reducing Fractions"— Presentation transcript:

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

14 2 2 8 12 4 6 2 3 = =


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