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Math Help - A fractions question i need solved.

  1. #1
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    Red face A fractions question i need solved.

    Hi, I am 49 and trying to learn fractions. I have tought myself long devision in a couple of weeks. I already know multiplication and subtraction as I want to get on the railway as conductor in the UK, and their is a basic maths test. I can't do fractions I'm useless at fractions. I'm trying to teach myself. I understand this fraction untill it gets to the final answer. I'll write it out the way I understand it.



    6/7+6/8 =. 6X8+7X6/7X8 =. 48+42/56 =. 90/56 = 45X2/28X2 =. 45/2

    I understand what I have put, but how do they come
    up with the answer = 1 17/28 which is mixed numbers.
    Can anyone please expain it and how to do it. Can you show it written down like I've done on the above sum.



    Thanks. Andy.
    Last edited by andypandy; January 3rd 2013 at 09:40 AM. Reason: typed wrong
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  2. #2
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    Re: A fractions question i need solved.

    Your post is hard to read. Since the forum does not preserve alignment, write a / b instead of \frac{a}{b}. Make sure to use parentheses where necessary.
    Thanks from skeeter
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  3. #3
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    Re: A fractions question i need solved.

    Thanks will do.
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  4. #4
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    Re: A fractions question i need solved.

    6/7+6/8 =. 6X8+7X6/7X8 =. 48+42/56 =. 90/56 = 45X2/28X2 =. 45/28 ... correction
    \frac{45}{28} = \frac{28+17}{28} = \frac{28}{28} + \frac{17}{28} = 1 + \frac{17}{28}
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  5. #5
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    Re: A fractions question i need solved.

    Hi on a fractions calculator app it shows the answer to the above as = 1 17/28. ~ 1.607142857142857
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  6. #6
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    Re: A fractions question i need solved.

    Is it possible to leave the answer as 17/28 in a test or would I have to go further with it.
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  7. #7
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    Re: A fractions question i need solved.

    You cannot go further with it since 17 is a prime number and cannot be divided.
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