Reducing Fractions: Example

Rule 10:
To reduce a simple fraction, follow the following three steps:

1.
Factor the numerator.
2.
Factor the denominator.
3.
Find the fraction mix that equals 1.

Example: Reduce the fraction tex2html_wrap_inline38 .

Answer. Factor the numerator and factor the denominator and look for the fractions in the mix that have a value of 1.

displaymath40

The fraction tex2html_wrap_inline38 has been reduced into the equivalent fraction tex2html_wrap_inline44 which can also be written as tex2html_wrap_inline46 or tex2html_wrap_inline48 .

Now prove to yourself with your calculator that both fractions are equivalent. When you divided -42 by 50, you will get the same answer as when you divide -21 by 25.

[Previous Example] [Menu Back]

S.O.S MATHematics home page

Do you need more help? Please post your question on our S.O.S. Mathematics CyberBoard.

Author: Nancy Marcus

Copyright 1999-2017 MathMedics, LLC. All rights reserved.
Contact us
Math Medics, LLC. - P.O. Box 12395 - El Paso TX 79913 - USA
users online during the last hour