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Multiplication and Division involving Negative Fractions

Multiplication and Division involving Negative Fractions

Without using a calculator, evaluate the following expressions

  1. \(\frac{5}{4} \div \left(-\frac{3}{10}\right)\)
  2. \(\left(-\frac{7}{48}\right) \div \left(\frac{8}{-21}\right)\)
  3. \(\frac{-7}{3} \div \frac{-15}{-2} \times (-3)\)
  4. \(\frac{-25}{-8} \div 4 \times \frac{-32}{45}\)

Solution:

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Answer:(a) \(-4\frac{1}{6}\) (b) \(\frac{49}{128}\) (c) \(\frac{14}{15}\) (d) \(-\frac{5}{9}\)

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