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Math Help - help plz neeed this for tonite

  1. #1
    thebabe13
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    Lightbulb help plz neeed this for tonite

    express as a fraction or mixed number in lowest terms
    theres the questions


    1. 6.35

    2. 0.85

    3. 0.48

    4. 5.125

    5. 0.0625

    6. 1.225


    plz help me with this makes no sense what so every
    Last edited by MathGuru; January 21st 2006 at 02:34 PM.
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  2. #2
    Site Founder MathGuru's Avatar
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    mixed number

    I'll help with #1

    Convert 6.35 to a mixed number.

    A mixed number is a number in the form of a whole number and a fraction such as 1 3/4 which can also be written as 1.75.

    To convert 6.35 we need to convert 0.35 to a fraction. .35 is the same as 35/100, now we need to simplify 35/100 to its simplist form. It is easy to see that 35 is divisible by 5 (7x5=35) and 100 is also divisible by 5 (20x5=100).

    so we can convert 35/100 to 7/20 and our solution is now:

    6 7/20, a mixed number.
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  3. #3
    Junior Member
    Joined
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    Quote Originally Posted by thebabe13
    express as a fraction or mixed number in lowest terms
    theres the questions


    1. 6.35 2. 0.85

    3. 0.48 4. 5.125

    5. 0.0625 6. 1.225


    plz help me with this makes no sense what so every
    Lets express them as fraction.
    I will use first number as example.

    As you can see 6.35 is consisted of number 6 and 0.35 (6.35 = 6+0.35).
    6 is a 6, and 0.35 is 35/100.
    So 6.35 expressed as factor is 6\frac{35}{100}.
    35/100 equals to 7/20 (after dividing up and down number with 5).
    So 6.35=6\frac{7}{20}.

    Other numbers are also done similar.
    So we have:
    2. 0.85=\frac{85}{100}=\frac{17}{20}.
    3. 0.48=\frac{48}{100}=\frac{12}{25}.
    4. 5.125=5\frac{125}{1000}=5\frac{1}{8}.
    5. 0.0625=\frac{625}{10000}=\frac{1}{16}.
    6. 1.225=1\frac{225}{1000}=1\frac{9}{40}.
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