by joanne on January 20th, 2010

joanne

Question

Help answer this question below.

i know that 1/8 divided by 1/4 is 1/2 but why? how would that look like? i'm trying to understand the logic of it.

Answers. 5 helpful answers below.

  • by TemariHyuga on February 18th, 2010

    TemariHyuga

    1 2 3 4 5 6 7 8
    8 parts -- 1 out of 8 is 1 part
    |12|34|56|78|
    4 parts -- 1 out of 4 is 2 parts

    divide number of parts.

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  • by Brian I on January 29th, 2010

    Brian I

    Just turn the fraction that the other one is to be divided by upside down and multiply them. So you get 1/8 x 4/1 = 4/8 = 1/2.

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  • by Im Alec has abandoned this account on January 29th, 2010

    Im Alec has abandoned this account

    Dividing by 1/4 is the same as multiplying by 4. Dividing by x is multiplying by 1/x. So dividing by 1/y is multiplying by 1/(1/y), which is y. 1/4 times 4 is 4/8 which is 1/2,

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  • by iwnit on January 22nd, 2010

    iwnit

    See it this way: we want to know how much pieces of cake each person gets in average,
    if 1/4 people get 1/8 piece of cake.

    To see this, we could just multiply everything (people and pieces of cake) by 4:
    => 4/4 people will get 4/8 piece of cake.
    Please notice that this does not change the average.

    After simplification, 1 person will get 1/2 piece of cake.

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  • by Thinker on January 21st, 2010

    Thinker

    because 1/8th is half of 1/4th

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