Evaluate
-\frac{\sqrt{7}}{7}-1\approx -1.377964473
Factor
\frac{-\sqrt{7} - 7}{7} = -1.377964473009227
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\frac{-\sqrt{7}}{7}-\frac{7}{7}
To add or subtract expressions, expand them to make their denominators the same. Multiply 1 times \frac{7}{7}.
\frac{-\sqrt{7}-7}{7}
Since \frac{-\sqrt{7}}{7} and \frac{7}{7} have the same denominator, subtract them by subtracting their numerators.
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