Posted by **Jerald** on Thursday, October 11, 2012 at 8:17pm.

Ramundus is making a xylophone. So far, he has bars that are 1 3/4 feet 1 7/12 feet and 1 2/3 feet long. What is the length of the longest bar

3/4?

Alana practiced dancing for 11/4 hours on Monday 19/8 hours on Wednesday and 2 3/5 hours on Friday. On which day did she practice on the closest to 2 hours? Explain your reasoning/

Im not sure for this one

- Math -
**Ms. Sue**, Thursday, October 11, 2012 at 8:36pm
11/4 = 2 3/4 = 2 30/40

19/8 = 2 3/8 = 2 15/40

2 3/5 = 2 24/40

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**Jerald**, Thursday, October 11, 2012 at 8:39pm
For 2 3/5 how did you get the answer 2 24/40 since it already has the whole number on 2 3/5. Do you put the whole number when you divide?

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**Ms. Sue**, Thursday, October 11, 2012 at 8:41pm
Yes. I changed 3/5 to 24/40 so the fractions would have a common denominator.

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**Jerald**, Thursday, October 11, 2012 at 8:42pm
So is the answer 11/4

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**Ms. Sue**, Thursday, October 11, 2012 at 8:45pm
No. Please reread the question.

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**Jerald**, Thursday, October 11, 2012 at 8:46pm
How can I find out which fraction is the closest to 2 hours?

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**Ms. Sue**, Thursday, October 11, 2012 at 8:56pm
All of those numbers are over two hours. Which has the smallest fraction?

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**Jerald**, Thursday, October 11, 2012 at 9:00pm
3/8?

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**Ms. Sue**, Thursday, October 11, 2012 at 9:13pm
Right.

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