Evaluate
-\frac{1}{15}\approx -0.066666667
Factor
-\frac{1}{15} = -0.06666666666666667
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-\frac{16}{15}+\frac{15}{15}
Convert 1 to fraction \frac{15}{15}.
\frac{-16+15}{15}
Since -\frac{16}{15} and \frac{15}{15} have the same denominator, add them by adding their numerators.
-\frac{1}{15}
Add -16 and 15 to get -1.
Examples
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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