document.write( "Question 656042: The word problem 1/4 of a number subtracted by 2/5 of the same number equals 15 what is the number? I know the number is 20 but I don't know why ...I just got 3/20 could you please show me how this is solved?\r
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Algebra.Com's Answer #409343 by lynnlo(4176)\"\" \"About 
You can put this solution on YOUR website!
1/4-2/5=1x5/4x5-2x4/5x4........get common denominator
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\n" ); document.write( "-3/20..........................answer
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