Evaluate
-\frac{19}{30}\approx -0.633333333
Factor
-\frac{19}{30} = -0.6333333333333333
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-\frac{27}{30}+\frac{8}{30}
Least common multiple of 10 and 15 is 30. Convert -\frac{9}{10} and \frac{4}{15} to fractions with denominator 30.
\frac{-27+8}{30}
Since -\frac{27}{30} and \frac{8}{30} have the same denominator, add them by adding their numerators.
-\frac{19}{30}
Add -27 and 8 to get -19.
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Simultaneous equation
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Limits
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