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Math lesson

Fatima ah.m

on 30 May 2012

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Transcript of Fractions

Fraction Fun What is Fraction ? A fraction names
a part of an object Hurry up!
I have a question to ask Are you hungry? Because I ate of your pizza! = Numerator Denominator Remember
that the denominator
can not be zero = Always check to make sure the fraction is reduced to lowest terms http://www.kidsolr.com/math/fractions.html What is an
equivalent fraction? Two fractions that stand
for the same number Was that simple enough?

Vs. Mixed Numbers Improper Fractions What is a
mixed number? The sum of a whole number and a fraction & These are examples of mixed numbers What is an
improper fraction? A fraction with a numerator greater then the denominator NUMERATOR denominator These are examples of improper fractions & Changing an improper fraction to a mixed number = = Notice how the denominator stays the same
when converting to an improper
fraction to a mixed number = Changing a mixed
number into an improper fraction = = Notice how the denominators stay the same when converting from a mixed number to an improper fraction = = Were here to show
you the rules! Adding Fractions Subtracting Fractions Multiplying Fractions Dividing Fractions Adding Fractions Adding fractions requires a common denominator

A + C = AD + CB = AD + CB
B + D = BD + BD = BD Subtracting fractions requires a common denominator

A - C = AD - CB = AD - CB
B - D = BD - BD = BD Subtracting Fractions Multiplying Fractions Multiplying fractions is easy

A * C = AC
B * D = BD Dividing fractions requires one more step

A / C = A*D = AD
B D = B*C BC Dividing Fractions http://www.aplusmath.com/Worksheets/Fractions.htm Click on the hyperlink below so you can practice adding, subtracting, multiplying, and dividing fractions! The End
Full transcript