Evaluate
-\frac{3}{7}\approx -0.428571429
Factor
-\frac{3}{7} = -0.42857142857142855
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\frac{3}{5}\left(-\frac{5}{7}\right)
Divide \frac{3}{5} by -\frac{7}{5} by multiplying \frac{3}{5} by the reciprocal of -\frac{7}{5}.
\frac{3\left(-5\right)}{5\times 7}
Multiply \frac{3}{5} times -\frac{5}{7} by multiplying numerator times numerator and denominator times denominator.
\frac{-15}{35}
Do the multiplications in the fraction \frac{3\left(-5\right)}{5\times 7}.
-\frac{3}{7}
Reduce the fraction \frac{-15}{35} to lowest terms by extracting and canceling out 5.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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\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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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