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 .

Solution 1:

Convert the numerator to a simple fraction. can be written .

Convert the denominator to a simple fraction.

can be written .

The problem can now be written .

Multiply the numerators and multiply the denominators .

Solution 2:

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

Comment:

Check the answer with your calculator.

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