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Question

Convert the fraction 28125 into decimal by changing the denominator to a multiple of 10 .


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Solution

Conversion of fractions into decimals when the denominator is not a multiple of 10 :

  • for converting a fraction whose denominator is not a multiple of 10 , first convert the given fraction into an equivalent fraction with denominator as a multiple of 10 .
  • Then , convert the equivalent fraction into the decimal by placing the decimal point starting from the extreme right before as many digits as the number of zeros after 1 in the denominator.

The conversion of the fraction into equivalent fraction is : 28125=28×8125×8=2241000 .

Now , the decimal representation of the equivalent fraction is : 2241000=0.224.

Thus , the decimal representation of the given fraction is 0.224 .


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