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document.write( " Start with the given expression \n" );
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document.write( " In order to subtract these two fractions, these fractions need to have a common denominator. \n" );
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document.write( " In order to do that, we simply find that the LCM of 45 and 35 is 315 (note: if you need help with finding the LCM, check out this solver) \n" );
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document.write( " Now we need to get each denominator to 315 \n" );
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document.write( " Multiply by  \n" );
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document.write( " Multiply and to get  \n" );
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document.write( " Multiply by  \n" );
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document.write( " Multiply and to get  \n" );
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document.write( " Since both fractions have a common denominator of 315, we can now combine the fractions \n" );
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document.write( " Combine the fractions \n" );
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document.write( " Subtract the numerators \n" );
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document.write( " So \n" );
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