# arithmetic

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A job is shared by 4 workers, W, X, Y, and Z. Worker W does 1/4 of the total hours. Worker X does 1/3 of the total hours. Worker Y does 1/6 of the total hours. What fraction represents the remaining hours allocated to person Z?

• arithmetic -

1/4 + 1/3 + 1/6
3/12 + 4/12 + 2/12 = 9/12 = 3/4

4/4 - 3/4 = ?

• arithmetic -

1/4

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