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.



Check the answer with your calculator.

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Author:Nancy Marcus

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