Tigerlilly W.

asked • 11/24/14

decimal to fraction

what is the decimal 3.979797..(repeating) as a fraction?

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Ralph L. answered • 11/24/14

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since we have two repeating numbers, which are (97), there are also two 9s in the denominator:
 
so,
 
3 + 97/99 = 3 97/99
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Dal J.

to calculate these repeaters, you can do this... 
 
100x = 97.979797
  -1x =  -0.979797
---------------------
 99x  = 97
   x   =  97/99     
 
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11/24/14

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