Fractions Chapter 6. 6-1 Simplifying Fractions Restrictions Remember that you cannot divide by zero....
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Transcript of Fractions Chapter 6. 6-1 Simplifying Fractions Restrictions Remember that you cannot divide by zero....
Restrictions•Remember that you cannot divide by zero. You must restrict the variable by excluding any values that would make the denominator equal zero.
Multiplication Rule for FractionsTo Multiply fractions, you multiply their numerators and multiply their denominators.
a · c = acb · d bd
Division Rule for FractionsTo divide by a
fraction, you multiply by its reciprocal.
a ÷ c = adb d bc
Finding the Least Common Denominator
1. Factor each denominator completely.
2.Find the product of the greatest power of each factor occurring in the denominator.
Long Division
Arrange the terms in each polynomial in order of decreasing
degree of the variable before dividing