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Jravenv

  • one year ago

Help me, Best answer rewarded, screencap in comments.

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  1. Jravenv
    • one year ago
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  2. anonymous
    • one year ago
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    the first one hy

  3. anonymous
    • one year ago
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    \[\frac{ 6m-5 }{ 30 }*\frac{ 3 }{ 1 } \]

  4. mathstudent55
    • one year ago
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    You have three small denominators. First, find their LCD. What is the LCD of 5, 6, and 3?

  5. anonymous
    • one year ago
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    so you start by finding a common denominator for the numerator part of the fraction. Everything will be over the denominator 1/3

  6. Jravenv
    • one year ago
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    30

  7. anonymous
    • one year ago
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    yes

  8. anonymous
    • one year ago
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    so i solved the top part first (numerator). I did not touch the denominator 1/3 at all. after I have found \[\frac{ 6m-5 }{ 30 }\] I proceeded to use the fraction rules: If you are dividing by a fraction, (1/3) YOU INVERT THE DENOMINATOR, hence , 1/3 becomes 3/1, so I had \[\frac{ \frac{ 6m-5 }{ 30} }{ \frac{ 1 }{ 3 } }\]

  9. anonymous
    • one year ago
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    which I changed to my first answer above

  10. mathstudent55
    • one year ago
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    @MERTICH has a great answer. Here is another way of solving it. Find the LCD of the three small denominators. It is 30. Multiply the numerator and denominator of the large fraction by the LCD, 30 |dw:1434144517659:dw|

  11. mathstudent55
    • one year ago
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    Now simplify the fraction. |dw:1434144580720:dw| Obviously, we get the same answer.

  12. Jravenv
    • one year ago
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    I get it, thank you all!

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