Unit 3 Choice Board 1 - Pragna Kurra

Unit 3 Choice Board 1 - Pragna Kurra
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  • I can explain it to you. When you have to add or subtract, you do the same things, except you do a different operation.
  • Unit 3 Choice Board 1
  • How do you add or subtract a fraction with different denominators?
  • First, you have to change the denominator, so that it is the same. In order to do this, you need to multiply both denominators by the same number, so that it creates the LCM (Least Common Multiple).
  • Unit 3 Choice Board 1
  • So, for 24 and 36, 72 is the LCM. 36 and 24 both can be multiplied to get 72, which is the lowest number they both can create.
  • After you find the LCM, make it the denominator. Divide the denominator by the LCM, and you will get a number. If you multiply that number by the numerator, you will get the correct fraction.
  • Unit 3 Choice Board 1
  • Thank you for the help!
  • Asking the Question
  • Explaining the Concept
  • Understanding the Answer
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