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3 March, 08:25

Roberto's cat weighed 6 3/4 pounds last year. Then the cat gained 1 1/2 pounds. How much does the cat weigh now?

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  1. 3 March, 11:12
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    Add the gain and the last weight together

    new weight = 6 3/4 + 1 1/2

    or we can write it as

    new weight = 6 + 3/4 + 1 + 1/2

    Separate whole numbers and fraction

    new weight = 6 + 3/4 + 1 + 1/2

    new weight = 6 + 1 + 3/4 + 1/2

    Simplify the whole numbers

    new weight = 6 + 1 + 3/4 + 1/2

    new weight = 7 + 3/4 + 1/2

    Equalize the denominators of the fraction

    new weight = 7 + 3/4 + 1/2

    new weight = 7 + 3/4 + 2/4

    new weight = 7 + 5/4

    Because 5/4 is improper fraction, change it to mixed fraction

    new weight = 7 + 5/4

    new weight = 7 + 1 1/4

    new weight = 7 + 1 + 1/4

    new weight = 8 + 1/4

    new weight = 8 1/4

    The cat weights 8 1/4 pounds now
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