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Multiply the fractions

publish date2023/09/22 02:39:00 GMT+10

$-\frac34 \left(\frac18\right)$

volume_mute

Correct Answer

$-\frac{3}{32}$

Explanation

We will use the rule for multiplying two fractions that have different (unlike) signs.  One fraction is positive and one is negative.

  • Multiply the numerators.  Multiply the denominators.  Make sure to add the negative sign since fractions have unlike signs.
    • \( -\frac34 \left( \frac18 \right) = - \frac{3 \cdot 1}{4 \cdot 8}\) 
  • Since 3 and 32 have no common factors other than 1, the result is in simplest form.
    • \(= - \frac{3}{32}\)

Reference

Mathematics for college students


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