Topic: subtracting list of topics
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13 items are filed under this topic.

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	Adding fractions		2014-01-31
		From bianco: 2/3+3/4= 9/8-6/8= Answered by Penny Nom.
	Why can't we add or subtract speed?		2013-11-21
		From kashish: why we cannot add or subtract "speed" / directly in any given distance , speed , time questions? Answered by Chris Fisher.
	Sum and difference of cubes		2008-01-30
		From Amanda: It has been a really long time since I was in Algebra and I can't remember how to factor cubes such as x^3 +81 or subtracting/adding fractions with variables such as [1/(x+h)+2]-[1/x+2]. Please help!!! Answered by Penny Nom.
	Adding algebraic fractions		2007-08-14
		From John: Ive completely forgot anything to do with the subject mentioned, so my question is straight to the point.. I need to know how to do the following problem (Preferably do not give me an answer though) (k/3k-8) - (4/k+2) Answered by Penny Nom.
	Subtracting fractions		2004-05-11
		From Filipe: Question: _5_ - __7__ 6ab 8a Answered by Penny Nom.
	Subtracting rational expressions		2003-05-10
		From Simone: hi, i'm totally lost. i understand that you need to find a lowest common denominator to subtract two fractions (rational expressions) with different denominators. but what if the denominators are "x-1" and "x". is x the common denominator? if so what happens to the "-1"? do you know of any live online help i can get with the following: 3/(x-1) - (1-2x)/x i've looked through my notes and have no examples that quite match that i can follow to get through it. please help! Answered by Penny Nom.
	What fraction of the world's motor vehicles are built in Canada?		2002-03-20
		From A student: About 1/4 of the world's motor vehicles is built in Canada or the United States. About 1/5 of the world's motor vehicles are built in the United States. What fraction of the world's motor vehicles are built in Canada? Answered by Claude Tardif.
	3pi/2 - pi		2001-10-29
		From Karen: I need to simplify this a) 3pi/2 - pi Answered by Penny Nom.
	Subtracting 5 from 25		2001-10-05
		From Melissa: How many times can you subtract the number 5 from 25? Answered by Leeanne Boehm.
	Adding and subtracting rational expressions		2001-05-03
		From Donna: Adding and subtracting Rational expressions. I am in grade 10 and I am a student here is an example of the questions: 1/(x+1) - 1/(x-1) = ? Answered by Penny Nom.
	Subtracting fractions		2000-08-26
		From Sarah Stanczyk: how is this problem solved?? 3/ x+1 - 5/x ( 3 divided by x +1 subtracted by 5 divided by x) Answered by Penny Nom.
	Subtracting polynomials		2000-05-13
		From Teresa: I am suppose to subtract the lower polynomial from the one above it. -3a+11b+2f -3a- 6b+8f ________________ Answered by Penny Nom.
	Borrowing		2000-04-17
		From A college student: How would you explain borrowing to an elementary school student? Answered by Penny Nom.

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