Math Practice 101
Homework Explained - Math Practice 101

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Grade 7 McGraw Hill Glencoe - Answer Keys
Chapter 4: Rational Numbers; Lesson 4: Add and Subtract Unlike Fractions


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Independent Practice

Add or subtract. Write in simplest form.

Justify Conclusions Choose an operation to solve each problem. Explain your reasoning. Then solve the problem. Write in simplest form.

  • Question 10 (request help)

    Mrs. Escalante was riding a bicycle on a bike path. After riding \(\frac{2}{3}\) of a mile, she discovered that she still needed to travel \(\frac{3}{4}\) of a mile to reach the end of the path. How long is the bike path?
  • Question 11 (request help)

    Four students were scheduled to give book reports in 1 hour. After the first report, \(\frac{2}{3}\) hour remained. The next two reports took \(\frac{1}{6}\) hour and \(\frac{1}{4}\)hour. What fraction of the hour remained?
  • Question 12 (request help)

    One hundred sixty cell phone owners were surveyed.


    a. What fraction of owners prefers using their cell phone for text messaging or playing games? Explain.
  • Question 12 (request help)

    b. What fraction of owners prefers using their phone to take pictures or text message?

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