Table of contents
- 0. Review of Algebra4h 16m
- 1. Equations & Inequalities3h 18m
- 2. Graphs of Equations43m
- 3. Functions2h 17m
- 4. Polynomial Functions1h 44m
- 5. Rational Functions1h 23m
- 6. Exponential & Logarithmic Functions2h 28m
- 7. Systems of Equations & Matrices4h 6m
- 8. Conic Sections2h 23m
- 9. Sequences, Series, & Induction1h 19m
- 10. Combinatorics & Probability1h 45m
0. Review of Algebra
Exponents
Problem 38b
Textbook Question
Multiply or divide as indicated. Write answers in lowest terms as needed. (6/11)/(5/4)
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1
Identify the operation: This problem involves division of two fractions, \( \frac{6}{11} \div \frac{5}{4} \).
Recall the rule for dividing fractions: To divide by a fraction, multiply by its reciprocal.
Find the reciprocal of the second fraction: The reciprocal of \( \frac{5}{4} \) is \( \frac{4}{5} \).
Rewrite the division as multiplication: \( \frac{6}{11} \times \frac{4}{5} \).
Multiply the numerators and the denominators: \( \frac{6 \times 4}{11 \times 5} \).
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Division of Fractions
Dividing fractions involves multiplying by the reciprocal of the divisor. For example, to divide (6/11) by (5/4), you multiply (6/11) by (4/5). This process simplifies the operation and allows for easier calculation.
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Simplifying Fractions
Simplifying fractions means reducing them to their lowest terms, where the numerator and denominator have no common factors other than 1. This is done by dividing both the numerator and denominator by their greatest common divisor (GCD).
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Multiplication of Fractions
When multiplying fractions, you multiply the numerators together and the denominators together. For instance, in the expression (6/11) * (4/5), you calculate 6 * 4 for the numerator and 11 * 5 for the denominator, resulting in a new fraction that may need simplification.
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