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 Let's remember something a bout fractions

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maths coordinator

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Posts : 113
Join date : 2010-01-28
Location : Deplomatic International School

PostSubject: Let's remember something a bout fractions   Wed Feb 10, 2010 1:41 am

Equivalent Fractions

Equivalent Fractions have the same value, even though they may look different.
These fractions are really the same:

1/2 ....... 2/4 .......... 4/8 Smile
Why are they the same? Because when you multiply or divide both the top(N) and bottom(D) by the same number, the fraction keeps it's value.
The rule to remember is:
What you do to the numerator of the fraction
you must also do to the denimerator of the fraction !

So, here is why those fractions are really the same:

× 2 × 2

1 = 2 = 4
2 = 4 = 8


× 2 × 2
And visually it looks like this:

1/2 = 2/4 = 4/8


Here are some more equivalent fractions, this time by dividing:

÷ 3 ÷ 6

18 = 6 = 1

36 = 12 = 2



÷ 3 ÷ 6

If we keep dividing until we can't go any further, then we have simplified the fraction (made it as simple as possible).
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Important: cheers
The N and D of the fraction must always be a whole number.
So, the number you pick to divide by must always divide evenly ( no remainders) for both the N and D numbers.
You only multiply or divide, never add or subtract, to get an equivalent fraction.
Maths coordinator sunny
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MiMi



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Age : 21
Location : Ryaid

PostSubject: Re: Let's remember something a bout fractions   Wed Feb 10, 2010 10:12 pm

hi miss mona thanks 4 the game
and thanks also about the eqauvelint fractions
but the dividing i didnt understand it flower
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maths coordinator

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PostSubject: a bout the fractions   Thu Feb 11, 2010 2:35 pm

you are welcome my dear,
the division like the multiplication exactly .You divide both N and D by a factor for both of them untill you get the simplest form of the fraction.
the difference is you should look for a common factor between both N and D. Like a Star @ heaven
I hope you enjoy practicing maths.
Maths coordinator sunny
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