S4_3_Alegbraic_Fractions_Ch6

S4_3_Alegbraic_Fractions_Ch6 - www.mathsrevision.com S4...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: www.mathsrevision.com S4 credit www.mathsrevision.com www.mathsrevision.com Equivalent and Simplifying Fractions Adding Fractions www.mathsrevision.com Multiplying Fractions Algebraic Fractions Dividing Fractions Subtracting Fractions www.mathsrevision.com S4 credit 13 Feb 2012 13 Feb 2012 Compiled by Mr. Lafferty Maths Dept. Compiled by Mr. Lafferty Maths Dept. S3 Starter Questions S3 Starter Questions www.mathsrevision.com 2 2 2 4 , 3 2 24 16 3 1 1 5 2 7 4 8 8 2 z q and r q y y z r = = =- + = + 1. True or f alse 2. I f . Find 3. Factorise www.mathsrevision.com S4 credit www.mathsrevision.com www.mathsrevision.com www.mathsrevision.com Learning Intention Learning Intention Success Criteria Success Criteria 1. To explain how to simplify algebraic fractions. 1. 1. Understand term Understand term Highest Common Factor. Highest Common Factor. Algebraic Fractions 2. 2. Simplify algebraic fractions by Simplify algebraic fractions by identifying HCF. identifying HCF. www.mathsrevision.com S4 credit www.mathsrevision.com www.mathsrevision.com Equivalent Fractions We already know how to create an equivalent fraction for numerical fractions. The exact same process is used for algebraic fractions . Numerical Fraction 1 2 2 4 = 3 6 = Algebraic Fraction Multiply top and bottom by any number 5 7 10 14 = 50 70 = Multiply top and bottom by any number or letter 1 x 2 2 = x = y xy 3 ( 1) + x 6 2( 1) = + x 3 ( 1) = + f f x www.mathsrevision.com S4 credit www.mathsrevision.com www.mathsrevision.com Equivalent Fractions Numerical Fraction 1 2 1 3 6 Algebraic Fraction 5 7 1 2 14 1 x 1 y xy 3 ( 1) + x 6 2 y 2 ( 1) y x + Common Denominator for 2 fractions www.mathsrevision.com S4 credit www.mathsrevision.com www.mathsrevision.com We can sometimes reduce fractions to a simpler form if the numerator and denominator have a number or letter in common. Examples 12 15 3 4 3 5 = 4 5 = HCF = 3 2 y y y y y = 1 y y = = HCF = Y Algebraic Fractions www.mathsrevision.com S4 credit www.mathsrevision.com www.mathsrevision.com Examples 2 2 6 b b 2 6 b b b = 1 3 b = 3 2 a a a a a a a = 1 a a = = 3 1 1 1 1 1 1 1 4 12 pq q 4 12 = pq q 3 = p 2 2 3 12 2 e f ef 2 2 3 12 2 = e f ef 6 = e f 3 1 1 1 1 6 1 1 1 1 Algebraic Fractions www.mathsrevision.comwww....
View Full Document

Page1 / 35

S4_3_Alegbraic_Fractions_Ch6 - www.mathsrevision.com S4...

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online