G S Rehill's Interactive Maths Software Series - "Building a Strong Foundation in Mathematics" from mathsteacher.com.au.

Learn Maths Faster. Practise Today.

 

 

Year 9 Interactive Maths - Second Edition


Subtraction of Algebraic Fractions

To subtract algebraic fractions, first express them in terms of their Lowest Common Denominator (LCD) and then subtract their numerators to obtain the numerator that is divided by the LCD to arrive at the answer.


Example 15

Solution:








Useful Device:

Sometimes we use:

to simplify algebraic expressions.


Example 16

Solution:

 

Study Another Topic in Chapter 9: Rational Expressions

[ Rational Expressions ] [ Common Factor of -1 ] [ The Lowest Common Multiple (LCM) of Expressions ] [ Addition of Algebraic Fractions ] [ Subtraction of Algebraic Fractions ] [ Multiplication of Algebraic Fractions ] [ Division of Algebraic Fractions ] [ Symbols ] [ Index ]

 
Study Another Chapter
 

| Home Page | Order Software | About the Series | Maths Software Tutorials | 

| Year 7 Maths Software | Year 8 Maths Software | Year 9 Maths Software |

| Year 10 Maths Software | Home Software | Desktop Schools |

| Notebook Schools | Tutor Software | Software Platform | Trial Software |

| Feedback | Year 7 Maths Reading | Year 8 Maths Reading |

| Year 9 Maths Reading | Year 10 Maths Reading | About mathsteacher.com.au |

| Our Policies | Terms and Conditions | Links | Contact |

 

Our www.mathssoftware.co.nz Website is now available for New Zealanders.

 

Copyright © 2000-2010 mathsteacher.com Pty Ltd.  All rights reserved.

Australian Business Number 53 056 217 611

 

Please read the Terms and Conditions of Use of this Website and our Privacy and Other Policies.

If you experience difficulties when using this Website, tell us through the feedback form or by
phoning one of our contact telephone numbers.