Rule 17:
To build a fraction is the reverse of reducing the fraction. Instead of searching for the 1 in a fraction so that you can reduce, you insert a 1 and build.

Create a fraction with 30 in the denominator that is equivalent to the fraction tex2html_wrap_inline32 .
The answer is tex2html_wrap_inline34 .
Recall that you can multiply any number by 1 without changing the value of the number. (Rule 6). Multiply the fraction tex2html_wrap_inline32 by 1. Recall that 1 has many forms, look for the form of 1 that will result in a denominator of 30.
Since 3 tex2html_wrap_inline38 10 = 30, use the fraction tex2html_wrap_inline40 as 1.
Now tex2html_wrap_inline32 can be written as tex2html_wrap_inline32 . The product is tex2html_wrap_inline10 . We have created a fraction with a denominator equal to 30 that is equivalent to the fraction tex2html_wrap_inline32 .
Use your calculator to show that tex2html_wrap_inline32 is equivalent tex2html_wrap_inline10 .

If you would like to review another example on this topic, click onExample.

[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 1999-2018 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