Complex Fractions: Problem 1

Rule 25:
To multiply two complex fractions, convert the fractions to simple fractions and follow the steps you use to multiply two simple fractions.

Problem 1:

Calculate tex2html_wrap_inline80 .

Solution 1:
Convert the numerator tex2html_wrap_inline82 to a simple fraction. tex2html_wrap_inline82 can be written tex2html_wrap_inline86 .

Convert the denominator tex2html_wrap_inline88 to a simple fraction.

tex2html_wrap_inline88 can be written tex2html_wrap_inline92 .

The problem tex2html_wrap_inline80 can now be written tex2html_wrap_inline96 .

Multiply the numerators and multiply the denominators tex2html_wrap_inline98 .

Solution 2:

Convert the 20 to a fraction, multiply the numerators, and multiply the denominators.

displaymath100

Comment:

Check the answer with your calculator.

[Next Problem] [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