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Spartan_Of_Ares

  • 3 years ago

can some help me with 3/15 + 2/x

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  1. Spartan_Of_Ares
    • 3 years ago
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    no because there is a plus not en equal sign

  2. abb0t
    • 3 years ago
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    Find a common denominator. For this example, your common denominator is: 15x That might help guide you.

  3. Spartan_Of_Ares
    • 3 years ago
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    what do i do with the common denominator would i get 3+2/15x?

  4. abb0t
    • 3 years ago
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    Well, you know: \[\frac{ 2 }{ a } + \frac{ 1 }{ a } = \frac{ 2 + 1 }{ a } = \frac{ 3 }{ a }\]

  5. abb0t
    • 3 years ago
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    Also, \[\frac{ 1 }{ b } + \frac{ 3 }{ d } = \frac{ 1d + 3b }{ bd }\]

  6. Spartan_Of_Ares
    • 3 years ago
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    so my final answer would be 5/15x?

  7. abb0t
    • 3 years ago
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    Not quite. Because in order to get a 15x, you must multiply 3 by x and 2 by 15. \[\frac{ 3 }{ 15 } + \frac{ 2 }{ x } = (\frac{ 3x }{ 15x }) + (\frac{ 2(15) }{ 15x })\]

  8. abb0t
    • 3 years ago
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    The next step is to combine everything into one whole fraction.

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