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Math Help - Test soon. Help?

  1. #1
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    Test soon. Help?

    Hello. High school student. Bad with math. I have a pre-test work sheet and I need help on some of the questions. My real test is in two days.

    EX:

    1/2 + 2/3

    I know this equals 3/5, but it wants me to reduce to lowest terms. I looked at the answer key and the answer is 11/6. I am confused as how it got reduced there... there's also another one on subtraction. Can I get help with both?

    More questions.

    EX:

    "There's a sale. 1/4 off of the price $39 dollar jeans. What is the total cost?" I don't know how to do this...

    EX:

    "Truck rental terms. Hourly rate is $12, plus $0.13 per mile. Jack rented a truck at 9:30 AM and returned it ar 1:00 PM. He drove 16 miles. How much was he charged for time and mileage?" How do I write this into an equation to figure it out...??

    Lastly, can someone direct me to a video that simply breaks down inches, feet, centimeters, and millimeters and all that. We come across measurement a lot and I get lost quickly... that'd be helpful.

    Thank you reading and I'd appreciate some help.
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  2. #2
    Flow Master
    mr fantastic's Avatar
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    Quote Originally Posted by Icarus View Post
    Hello. High school student. Bad with math. I have a pre-test work sheet and I need help on some of the questions. My real test is in two days.

    EX:

    1/2 + 2/3

    I know this equals 3/5, but it wants me to reduce to lowest terms.
    [snip]
    Sorry, that's not correct and is probably symptomatic of deeper problems you have, above and beyond what MHF can help with. A pre-test is meant to identify problems you have so that you can get help from your teacher beforehand.
    The common denominator is 2x3 = 6. Now express each fraction over this common denominator:

    1/2 = 3/6.

    2/3 = 4/6.

    So you need to find 3/6 + 4/6.

    But MHF cannot provide the general remedial help you need. You must go to your teacher for help.
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  3. #3
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    Quote Originally Posted by Icarus View Post

    EX:

    1/2 + 2/3

    I know this equals 3/5,
    Huh? how so?
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  4. #4
    Senior Member Sambit's Avatar
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    Quote Originally Posted by pickslides View Post
    Huh? how so?
    I think he just added the numerators and the denominators separately.......
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