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Help with this math problems?

If you could explain how these answers are achieved so that I can learn how to do them it would be great.

14-20 over (4)(3) -12

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Write 116 2/3 as a fraction or a mixed number.

1 Answer

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  • Anonymous
    1 decade ago
    Favorite Answer

    1. (14-20) over (4)(3) - 12

    Start with the top 14 minus 20 is negative 6

    So your top is -6

    With the bottom do order of operations from left to right

    Please Excuse My Dear Aunt Sally

    1. Parentheses 2. Exponents 3.Multiplication/Division 4. Addition/Subtraction

    So first is Multiplication 4 times 3 is 12

    12-12= 0

    When working out a fraction if your denominator is 0 your answer is "Does Not Exist" because you can't divide a number by 0.

    Answer: "DOES NOT EXIST"

    2. Decimal Equivalent of 33/40

    Your going to have to do long division.

    33 divided by 40, I'm going to try to work it out on here...

    __0.825

    40 / 33.0

    -320

    ----------

    100

    -080

    -----------

    200

    -200

    --------

    0

    Answer:

    0.825

    3. 116 2/3

    Denominator times whole number

    3 times 116=

    Plus the numerator

    348 plus 2 = 350 <-- thats your new numerator and you keep your denominator the same

    Answer:

    350/3

    Hope this helps

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