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    Flyte243's Avatar
    Flyte243 Posts: 3, Reputation: 1
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    #1

    Jan 31, 2013, 08:24 AM
    Answers to math word problems
    Jessica has to mow the lawn. She mowed 1/3 then took a break. She then mowed 1/4 and took another break. Then she mowed 2/10 of the lawn. She went to a friend's house and did not finish the lawn. How much was left to mow?
    wallykap's Avatar
    wallykap Posts: 65, Reputation: 1
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    #2

    Jan 31, 2013, 09:08 AM
    1/3 + 1/4 + 2/10 or (1/5) = ****

    LCD = 3 x 4 x 5 =60 , therefore...

    20/60 + 15/60 + 12/60 = 47/60 completed; and 13/60 yet to be mowed
    Flyte243's Avatar
    Flyte243 Posts: 3, Reputation: 1
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    #3

    Jan 31, 2013, 09:29 AM
    Thank you. What is the fraction to be mowed? I was thinking 1/4, 2/3, something like that.
    wallykap's Avatar
    wallykap Posts: 65, Reputation: 1
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    #4

    Feb 2, 2013, 10:14 AM
    To be mowed is 13/60 ths or a lottle more than 1/5
    Flyte243's Avatar
    Flyte243 Posts: 3, Reputation: 1
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    #5

    Feb 4, 2013, 07:31 AM
    Thank you.
    samcreed's Avatar
    samcreed Posts: 132, Reputation: 18
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    #6

    Feb 4, 2013, 08:07 AM
    1/3 + 1/4 + 2/10 =
    change it to the same common denominator , a number that 3, 4, and 10 will divide into evenly, like 60. So,

    20/60 + 15/60 + 12/60 = 47/60, so
    that leaves 13/60; which cannot be broken down into simpler terms.

    This problem is actually adding fractions with different denominators.
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