Understanding Equivalent and Multiplying Fractions
12 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What are equivalent fractions?

  • Fractions that have different numerators and denominators (correct)
  • Fractions that have the same numerators but different denominators
  • Fractions that represent different values
  • Fractions that cannot be simplified
  • How can you find equivalent fractions?

  • Multiply both the numerator and denominator by the same number (correct)
  • Add the numerators and denominators
  • Divide the numerators by the denominators
  • Subtract the numerators from the denominators
  • If you want to find an equivalent fraction with a denominator of 30 for \rac{3}{5}, what should you do?

  • Multiply the numerator by 6
  • Divide the numerator by 5
  • Multiply both the numerator and denominator by 6 (correct)
  • Multiply the denominator by 5
  • Why is it important to remember that reducing fractions to their least common multiple results in equivalent fractions?

    <p>It simplifies the fraction to its lowest terms</p> Signup and view all the answers

    Which operation is performed to create equivalent fractions?

    <p>Multiplication</p> Signup and view all the answers

    If you have \rac{2}{3}\ and want to find an equivalent fraction with a denominator of 15, what should you do?

    <p>Multiply both the numerator and denominator by 5</p> Signup and view all the answers

    Which of the following fractions is equivalent to $\frac{1}{2}$?

    <p>$\frac{2}{4}$</p> Signup and view all the answers

    What is the product of $\frac{1}{3}$ and $\frac{2}{5}$?

    <p>$\frac{2}{15}$</p> Signup and view all the answers

    If $\frac{1}{4}$ of a cake is eaten, and then $\frac{1}{8}$ of the remaining cake is eaten, what fraction of the original cake is left?

    <p>$\frac{7}{16}$</p> Signup and view all the answers

    Which of the following is NOT a step in multiplying fractions?

    <p>Divide the numerators to obtain the new numerator.</p> Signup and view all the answers

    If $\frac{1}{3}$ of a pizza is eaten, and then $\frac{1}{6}$ of the remaining pizza is eaten, what fraction of the original pizza is left?

    <p>$\frac{7}{12}$</p> Signup and view all the answers

    What is the product of $\frac{3}{4}$ and $\frac{5}{6}$?

    <p>$\frac{15}{24}$</p> Signup and view all the answers

    Study Notes

    Introduction

    In mathematics, fractions represent parts of a whole. However, there may be multiple ways to describe the same part of a whole using different numerators and denominators. These fraction descriptions are known as equivalent fractions. Another essential operation with fractions is multiplication. This article will discuss these two aspects of fractions: equivalent fractions and multiplying fractions.

    Equivalent Fractions

    Equivalent fractions are different fractions that represent the same value despite having different numerators and denominators. For example, (\frac{1}{2}), (\frac{2}{4}), and (\frac{10}{20}) are all equivalent to one another because they each contain half of the whole. To find equivalent fractions, you multiply both the numerator and denominator by the same number:

    • To get an equivalent fraction with a denominator of 12, multiply the denominator by 4 to get 12, then multiply both the numerator and denominator by 4 to get (\frac{4}{12}).
    • To find an equivalent fraction with a denominator of 21, multiply the denominator by 7 to get 21, then multiply both the numerator and denominator by 7 to get (\frac{3}{21}).

    Note that these operations do not change the actual value of the fraction, just the way it is represented. It's also important to remember that if you reduce both fractions to their least common multiple, you will still have equivalent fractions.

    Multiplying Fractions

    Multiplying fractions involves combining two fractions such that the product represents a smaller part of the original larger whole. The process of multiplication is similar to the addition operation for numbers. When multiplying two fractions, we follow these steps:

    1. Write both fractions with their respective numerators over their respective denominators.
    2. Multiply the numerators together to obtain the new numerator.
    3. Multiply the denominators together to obtain the new denominator.

    For example, consider the multiplication of (\frac{1}{2} \times \frac{1}{3}): [\frac{1}{2} \times \frac{1}{3}=\frac{1 \times 1}{2 \times 1}= \frac{1}{6}.]

    This means that when dividing the whole into six equal parts, one part from the first fraction and one part from the second fraction combine to form the result.

    The resulting fraction can then be simplified further, if possible, by canceling out any common factors between the numerator and denominator.

    Conclusion

    Understanding equivalent fractions and how to multiply them is crucial for working with fractions effectively. Equivalent fractions help us recognize that although the representation may differ, the underlying concept remains the same. Multiplication allows us to combine two fractions representing different parts of a whole to determine the combined part. These concepts play a vital role in various mathematical operations and are essential building blocks for more complex mathematics.

    Studying That Suits You

    Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

    Quiz Team

    Description

    Learn about equivalent fractions, which are different fractions that represent the same value, and multiplying fractions, the process of combining two fractions to obtain a new fraction. Discover how to find equivalent fractions by multiplying the numerator and denominator by the same number, and how to multiply fractions by multiplying the numerators and denominators. Gain insight into these fundamental concepts in mathematics.

    More Like This

    Use Quizgecko on...
    Browser
    Browser