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Subtracting Mixed Fractions by Chris Wilson
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Subtracting Mixed Fractions by Chris Wilson

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For this project, students in Mrs. Beile's learning center math class were tasked with creating a Powerpoint presentation that explained how to solve a math problem. The students were expected to......

For this project, students in Mrs. Beile's learning center math class were tasked with creating a Powerpoint presentation that explained how to solve a math problem. The students were expected to select a math concept they were struggling with themselves and pretend they were explaining the concept to a friend. By going through the process, the students were able to develop mastery and reinforce the concept for themselves. Everyone did a fantastic job!

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  • 1. Subtracting Mixed Fractions By Chris Wilson
  • 2. Solve:4 3/10 – 2 2/8
    • Solution: Subtract the fractions using common denominators. Then subtract the whole numbers.
  • 3. Step 1.
    • List the LCM of both mixed numbers.
    • 10 : 10, 20, 30, 40 , 50
    • 8 : 8, 16, 24, 32, 40
    • The LCM is 40
  • 4. Step 2.
    • Take the fraction part of the whole numbers and multiply them until the denominator is 40.
    • 3/10 x 4/4 = 12/40 2/8 x 5/5 = 10/40
  • 5. Step 3.
    • Now subtract the whole numbers
    • 4-2=2
  • 6. Step 4.
    • After that, subtract the fractions.
    • 12/40 – 10/40 = 2/40
  • 7. Step 5.
    • Then reduce the difference of the two fractions.
    • 2/40 : 2/2=1/20
  • 8. Step 6.
    • Finally put the difference of the whole numbers and the difference of the fractions together.
    • 2+ 1/20 = 2 1/20
  • 9. Answer
    • The answer is 2 1/20