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September 3, 2014

September 3, 2014

Posted by **Bell** on Wednesday, December 5, 2012 at 4:12pm.

- Math -
**debbie**, Wednesday, December 5, 2012 at 4:23pm4 9/20

make sure you have the same denominator.

this is a subtraction problem.

7 1/4 turns into 7 5/20 and 2 4/5 turns into 2 16/20. since you can not subtract 16/20 from 5/20 you need to borrow from the whole which is 7. so 7 becomes a 6 and you add 20/20 +5/20 and get 25/20 now you can subtract 6 25/20 - 2 16/20 = 4 9/20

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