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21 January, 01:13

Describe the steps you can use to find an average of fractional amounts.

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  1. 21 January, 01:22
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    Add up the fractional amounts and divide them by however many amounts there are ...

    eg.

    Step 1:Add the fractions

    1/6 + 5/8 + 3/4

    (find the LCD)

    1/6 + 5/8 + 3/4 = 4/24 + 15/24 + 18/24 = 37/24

    Step 2: Divide the sum by the number of numbers in the set

    37/24 : 3 = 37/24 : 3/1 = 37/24 X 1/3 = 37/72

    So the mean (average) is 37/72
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