Topic: Adding and Subtracting Unlike Fractions
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Answers to Common Questions
How to Subtract Fractions With Unlike Denominators
A fraction is a part of a whole. It is written with a number on the top and a number on the bottom. The top number is called a numerator and the bottom number is called a denominator. In order to subtract fractions with unlike denominators,... Read More »
Source: http://www.ehow.com/how_2309049_subtract-fractions-unlike-denomin...
What must you do first before adding or subtracting unlike fracti...
you must make the fractions equivalent and with the same denomenator Read More »
Source: http://wiki.answers.com/Q/What_must_you_do_first_before_adding_or...
How to Add and Subtract Fractions with Unlike Denominators
Adding and subtracting fractions with unlike denominators is a bit more involved than for fractions with like (matching) denominators. The reason for this is that we are not adding "apples with apples." If I eat one slice of a pizza that wa... Read More »
Source: http://www.ehow.com/how_4719817_add-subtract-fractions-unlike-den...
More Common Questions
Answers to Other Common Questions
Let's do an example: 5/6 - 3/4 = ? To find this you must first get both fractions to have the same denominator, or the number on the bottom. This is accomplished my cross multiplication. Multiply the bottom number of the second fraction by ...
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Source: http://wiki.answers.com/Q/How_do_you_add_or_subtract_fractions_wi...
For example, you have 2/3 and 4/5 Fractions have this funny property: 2/3= 2*2/3*2= 2*3/3*3=2*4/3*4=2*a/3*a and so, we can fina a "common factor" between two numerators( in this case 3 and 5) so that you can muiltiply both side by a number ...
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Source: http://wiki.answers.com/Q/How_do_you_subtract_and_reduce_unlike_f...
get them to have the same demoninator. like if you have 5/6-3/4 make it 10/12-9/12. then just subtract.
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Source: http://wiki.answers.com/Q/How_do_you_subtract_fractions_with_unli...
Borrowing is not just limited to standard subtraction, in which you can make a term larger by pulling from a larger term -- such as if you need to subtract 15 from 32, in which case you'd borrow from the 3 and turn 2 into 12, and then subtr...
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Source: http://www.ehow.com/how_8753621_borrow-fractions-using-adding-sub...
I'm really sorry I've done this before but i just totally am thinking the same exact thing!
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Source: http://wiki.answers.com/Q/What_is_adding_fractions_with_unlike_de...
It's true you would get the same answer if you used a different denominator (as long as the match) but you will most likely be asked to simplify your answer so you might as well find the least comment multiple to begin with so that there wi...
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Source: http://answers.yahoo.com/question/index?qid=20081203135302AAkweKu
= 2/7 & 1/2 = 4/14 & 7/14 = 5/6 & 1/12 = 10/12 & 1/12 Answer: 4/14 & 7/14 and 10/12 & 1/12
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Source: http://answers.yahoo.com/question/index?qid=20091104175457AAmVea2
