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11 August, 19:56

Beulah used 3/5 pounds of dough, 3/4 pound of sugar, & 2/3 pounds of sprinkles to make donuts. How many pounds of donuts did Beulah make?

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  1. 11 August, 23:46
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    Number of pounds of dough used = 3/5 pounds.

    Number of pounds of sugar used = 3/4 pounds

    Number of pounds of sprinkles used = 2/3 pounds.

    Total number of pounds of donuts = Number of pounds of dough used + Number of pounds of sugar used + Number of pounds of sprinkles used.

    Plugging values.

    Total number of pounds of donuts = 3/5 + 3/4 + 2/3.

    We need to add all those fractions.

    In order to add fracions, we need to find common denominator (lcd).

    We have 5,4 and 3 in denominators.

    Least common denominator (lcd) of 5, 4 and 3 is 60.

    We need to make each denominator equals 60.

    Multiplying first fracion by 12 in top and bottom, we get

    3*12/5*12 = 36/60

    Multiplying first fracion by 5 in top and bottom, we get

    3*15/4*15 = 45/60

    Multiplying first fracion by 20 in top and bottom, we get

    2*20/3*20 = 40/60.

    Therefore,

    3/5 + 3/4 + 2/3 = 36/60 + 45/60 + 40/60

    = 121/60

    Let us convert 121/60 into mixed fraction.

    Dividing 121 by 60 we get quotient = 2 and remainder = 1.

    So, the mixed fraction is 2 1/60.

    Therefore, Beulah made total 2 1/60 pounds of donuts.
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