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anonymous

  • one year ago

Multiply and express the product in simplest form.

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  1. anonymous
    • one year ago
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    |dw:1433102716639:dw|

  2. anonymous
    • one year ago
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    @mathstudent55

  3. anonymous
    • one year ago
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    i will post my answer choices!

  4. mathstudent55
    • one year ago
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    Start like the last one. Multiply the numerators together, and multiply the denominators together. What do you get?

  5. mathstudent55
    • one year ago
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    Fill in the numerator and denominator below. |dw:1433102924872:dw|

  6. anonymous
    • one year ago
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    |dw:1433102853180:dw|

  7. anonymous
    • one year ago
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    @mathstudent55

  8. anonymous
    • one year ago
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    |dw:1433103069525:dw|

  9. mathstudent55
    • one year ago
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    Copy my last figure, and fill in the bottom fraction. Then we'll continue.

  10. mathstudent55
    • one year ago
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    No. Don't combine the numbers, just fill in they way they are.

  11. mathstudent55
    • one year ago
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    |dw:1433103167043:dw|

  12. anonymous
    • one year ago
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    what do you mean?

  13. mathstudent55
    • one year ago
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    Remember, teh numerators are being multiplied, and 5 * 4 = 20, not 5 + 4 = 9.

  14. anonymous
    • one year ago
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    oh ok now i understand!!

  15. mathstudent55
    • one year ago
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    Ok. Let me move it to a cleaner figure.

  16. anonymous
    • one year ago
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    ok

  17. mathstudent55
    • one year ago
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    We have this so far. We multiplied the two original numerators together, and the two original denominators together. |dw:1433103252101:dw|

  18. anonymous
    • one year ago
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    okay!

  19. mathstudent55
    • one year ago
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    Now we work on the new numerator and the new denominator.

  20. mathstudent55
    • one year ago
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    |dw:1433103370155:dw|

  21. mathstudent55
    • one year ago
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    We multiply 5 * 4 and get 20

  22. mathstudent55
    • one year ago
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    |dw:1433103433364:dw|

  23. anonymous
    • one year ago
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    ok

  24. mathstudent55
    • one year ago
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    Now we need to simplify. To simplify, we need to cancel out common factors in the numerator and denominator.

  25. mathstudent55
    • one year ago
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    |dw:1433103545248:dw|

  26. anonymous
    • one year ago
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    |dw:1433103529734:dw|

  27. mathstudent55
    • one year ago
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    I separated the factors out to show what can be canceled.

  28. mathstudent55
    • one year ago
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    |dw:1433103626689:dw|

  29. anonymous
    • one year ago
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    A? @mathstudent55

  30. mathstudent55
    • one year ago
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    yes

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