document.write( "Question 91126: Add
\n" ); document.write( "1/4+ 3/10+ 4/15\r
\n" ); document.write( "\n" ); document.write( "Divide by moving the decimal point. 27.3 divided by 10 (to the power of 5)\r
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Algebra.Com's Answer #66151 by checkley71(8403)\"\" \"About 
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1/4+3/10+4/15 now find a common denominator.
\n" ); document.write( "4=2*2
\n" ); document.write( "10=2*5
\n" ); document.write( "15=3*5
\n" ); document.write( "the 2 & 5 are common to two of the numbers therefore we use them only once & multiply these two 3*3 to the other factors 2*3.
\n" ); document.write( "thus we have the LCD of 2*5*2*3=60
\n" ); document.write( "(1*15+3*6+4*4)/60
\n" ); document.write( "(15+36+16)/60
\n" ); document.write( "67/60 answer.
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\n" ); document.write( "27.3/10^5
\n" ); document.write( "27.3*10^(-5)
\n" ); document.write( ".000273 answer.
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