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Adding Fractions – Framework for Learning: Leader’s Name: …………………………………. The Lowest Common Denominator Co-Leader’s Name: ……………………………… Instructor’s Initials: ……… Getting Started: List the first six multiples of 3 and 4 below. Circle the least common multiple of the two numbers. Multiples of 3: _____, _____, _____, _____, _____, _____ Multiples of 4: _____, _____, _____, _____, _____, _____ Compare your answers with a partner. Discuss and correct any mistakes. Log into UMATH X From the menu on the left: Hover over the Strand: Fractions Hover over Section 8: Adding Fractions Hover over the Lesson: The Lowest Common Denominator Select and complete the Sub Lessons: Example 1 Example 2 As you work through the lessons, complete the corresponding notes below. Example 1 Example 2 The lowest common denominator The lowest common denominator of ⅓ and ¼ is _____. of and is _____. Discuss the steps for adding fractions with unlike denominators with a partner. Write a summary of your discussion below. ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ Working In It: Calculate the sum for each of the following. Show all work. Write final answers in lowest terms. Practice 2 Practice 1 Does the lowest common denominator always have to be used to calculate the sum of fractions with unlike denominators? Explain. _________________________________________ Practice 3 _________________________________________ _________________________________________ _________________________________________ _________________________________________ _________________________________________ _________________________________________ Reflect & Connect: Brainstorm ways least common multiple and greatest common factor are used to calculate the sum of fractions with unlike denominators. Discuss your observations with a partner. Write a paragraph summarizing your discussion below. Justify your answer with examples from the problems completed in this Framework. ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ Build It. Draw It. Talk It. Write It. Now you OWN It! www.neufeldlearning.com