Evaluate
-\frac{20}{21}\approx -0.952380952
Factor
-\frac{20}{21} = -0.9523809523809523
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\frac{2\times 20}{7\left(-6\right)}
Divide \frac{2}{7} by \frac{-6}{20} by multiplying \frac{2}{7} by the reciprocal of \frac{-6}{20}.
\frac{20}{-3\times 7}
Cancel out 2 in both numerator and denominator.
\frac{20}{-21}
Multiply -3 and 7 to get -21.
-\frac{20}{21}
Fraction \frac{20}{-21} can be rewritten as -\frac{20}{21} by extracting the negative sign.
Examples
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y = 3x + 4
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Matrix
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Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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