Evaluate
-\frac{3}{7}\approx -0.428571429
Factor
-\frac{3}{7} = -0.42857142857142855
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\frac{21\times 4}{28\left(-7\right)}
Divide \frac{21}{28} by -\frac{7}{4} by multiplying \frac{21}{28} by the reciprocal of -\frac{7}{4}.
\frac{3}{-7}
Cancel out 4\times 7 in both numerator and denominator.
-\frac{3}{7}
Fraction \frac{3}{-7} can be rewritten as -\frac{3}{7} 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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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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