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anonymous

  • one year ago

Perform the indicated operation. 2/3 + 3/8

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  1. AbdullahM
    • one year ago
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    make sure that both fractions have the same denominator.

  2. AbdullahM
    • one year ago
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    What is the least common multiple of 3 and 8?

  3. anonymous
    • one year ago
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    2?

  4. AbdullahM
    • one year ago
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    Do you know what multiples are?

  5. anonymous
    • one year ago
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    no..

  6. AbdullahM
    • one year ago
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    Multiples of 3: 3, 6, 9, 12, 15, 18, 21... and so on

  7. AbdullahM
    • one year ago
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    What are the multiples of 8?

  8. anonymous
    • one year ago
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    16 24 and 32?

  9. AbdullahM
    • one year ago
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    so the least common multiple would be 24

  10. anonymous
    • one year ago
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    why wouldnt it be 16? because thats the lowest other than 8

  11. AbdullahM
    • one year ago
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    But is 16 divisible by 3? No.

  12. anonymous
    • one year ago
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    oh okay i get that

  13. AbdullahM
    • one year ago
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    \(\sf\Large\left(\frac{2}{3} \times\frac{8}{8}\right)+\left(\frac{3}{8}\times\frac{3}{3}\right)=?\)

  14. AbdullahM
    • one year ago
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    Hint: \(\sf\Large\frac{a}{b}\times\frac{c}{d}=\frac{a~\times~ b}{c ~\times~ d}\)

  15. anonymous
    • one year ago
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    16/24 + 9/24

  16. anonymous
    • one year ago
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    @AbdullahM so 25/24

  17. AbdullahM
    • one year ago
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    correct and that is 1 1/24

  18. anonymous
    • one year ago
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    @AbdullahM how do you get it like that though?

  19. AbdullahM
    • one year ago
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    because \(\sf\Large\frac{25}{24} =\frac{24+1}{24}=\frac{24}{24}+\frac{1}{24}=1\frac{1}{24}\)

  20. anonymous
    • one year ago
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    @AbdullahM oh okay i get that, thanks a lot

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