Evaluate
-\frac{10}{689}\approx -0.014513788
Factor
-\frac{10}{689} = -0.01451378809869376
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\frac{520}{689}-\frac{530}{689}
Least common multiple of 53 and 13 is 689. Convert \frac{40}{53} and \frac{10}{13} to fractions with denominator 689.
\frac{520-530}{689}
Since \frac{520}{689} and \frac{530}{689} have the same denominator, subtract them by subtracting their numerators.
-\frac{10}{689}
Subtract 530 from 520 to get -10.
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Limits
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