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[tex]25.78 + ( - 4 \frac{7}{11} ) + 5.73 + ( - 27.78) + ( - 1 \frac{4}{11} ) =25.78 - 4 \frac{7}{11} + 5.73 - 27.78 - 1 \frac{4}{11} =25.78 - \frac{51}{11} + 5.73 - 27.78 - \frac{15}{11} = 3.73 - 6 = - 2.27[/tex]