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anonymous

  • 5 years ago

I need help, Im not very good with fractions and I have an assignment with all fractions. 5/2+1/3=1/x

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  1. anonymous
    • 5 years ago
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    multiply every term by 6x, no more fractions!

  2. anonymous
    • 5 years ago
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    what do u mean?

  3. anonymous
    • 5 years ago
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    6x*5/2 + 6x*1/3 = 6x*1/x

  4. anonymous
    • 5 years ago
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    5/2 + 1/3 = 1/x (15+2)/6 = 1/x 17/6 = 1/x 17x = 6 x = 6/17

  5. anonymous
    • 5 years ago
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    now what about 4/5z+9/z=1?

  6. anonymous
    • 5 years ago
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    what would I multiply that by?

  7. anonymous
    • 5 years ago
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    This way you can get rid of the fractions quickly instead of working with them Multiply by the least common multiple of the denominator Which in this case is 5z

  8. anonymous
    • 5 years ago
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    z=1/4?

  9. anonymous
    • 5 years ago
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    4 + 45 = 5z

  10. anonymous
    • 5 years ago
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    49/5 = z

  11. anonymous
    • 5 years ago
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    one more, 6/x+1=8/x

  12. anonymous
    • 5 years ago
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    What is the Least Common Multiple of all the denominators?

  13. anonymous
    • 5 years ago
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    x

  14. anonymous
    • 5 years ago
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    1?

  15. anonymous
    • 5 years ago
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    Right!

  16. anonymous
    • 5 years ago
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    x

  17. anonymous
    • 5 years ago
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    ok

  18. anonymous
    • 5 years ago
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    so multiply every term by x

  19. anonymous
    • 5 years ago
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    so.....8x=8x...which equals one

  20. anonymous
    • 5 years ago
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    1x

  21. anonymous
    • 5 years ago
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    im lost!!!

  22. anonymous
    • 5 years ago
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    r uthere

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spraguer (Moderator)
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