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Fractions in simplest form that have denominators of 2 4 8 16 and 32 produce terminating decimals. Fractions wi th denominators of 6, 12, 18, and 24 produce repeating decimals. What causes the difference? Explain

 Jan 28, 2016
 #1
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Any fraction having a denominator that can be factored solely in terms of 2 or 5 [or both] will terminate

 

Any fraction  whose denominator  cannot be factored solely in terms of 2, 5 [or both] will repeat

 

Thus  2, 4 , 8, 16 and 32  are all powers of 2 and fractions with these denomonators will terminate

 

But   6, 12,  18 and 24   cannot be factored solely in terms of 2 and/or 5   ....so fractions with these denomonators will repeat

 

 

cool cool cool

 Jan 28, 2016
 #2
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So glad someone asked this,I was stuck on this question for my homework for a hour.

 Sep 8, 2016
 #3
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Ikr

 Nov 11, 2016

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