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
2:24 minutes
Problem 40a
Textbook Question
Multiply or divide as indicated. Write answers in lowest terms as needed. (7/5)/(3/10)
Verified step by step guidance
1
Identify the operation: This problem involves division of two fractions, \( \frac{7}{5} \div \frac{3}{10} \).
Recall the rule for dividing fractions: To divide by a fraction, multiply by its reciprocal. The reciprocal of \( \frac{3}{10} \) is \( \frac{10}{3} \).
Rewrite the division as multiplication: \( \frac{7}{5} \times \frac{10}{3} \).
Multiply the numerators: \( 7 \times 10 \). Multiply the denominators: \( 5 \times 3 \).
Simplify the resulting fraction by finding the greatest common divisor (GCD) of the numerator and the denominator, and divide both by the GCD to write the fraction in lowest terms.
Recommended similar problem, with video answer:
Verified Solution
This video solution was recommended by our tutors as helpful for the problem above
Video duration:
2mPlay a video:
Was this helpful?
Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Fraction Division
Dividing fractions involves multiplying by the reciprocal of the divisor. To divide two fractions, you take the first fraction and multiply it by the reciprocal of the second fraction. For example, dividing (a/b) by (c/d) is equivalent to (a/b) * (d/c). This method simplifies the process and allows for easier calculations.
Recommended video:
Guided course
05:45
Radical Expressions with Fractions
Lowest Terms
A fraction is in lowest terms when the numerator and denominator have no common factors other than 1. To simplify a fraction, you can divide both the numerator and denominator by their greatest common divisor (GCD). This ensures that the fraction is expressed in its simplest form, making it easier to understand and work with.
Recommended video:
3:12
Determining Vertical Asymptotes
Multiplication of Fractions
Multiplying fractions involves multiplying the numerators together and the denominators together. For instance, to multiply (a/b) by (c/d), you calculate (a*c)/(b*d). This straightforward approach allows for quick calculations and is essential for both multiplication and division of fractions, as division can be transformed into multiplication by using reciprocals.
Recommended video:
Guided course
05:45
Radical Expressions with Fractions
Watch next
Master Introduction to Exponent Rules with a bite sized video explanation from Patrick Ford
Start learningRelated Videos
Related Practice