Evaluate
-\frac{25}{56}\approx -0.446428571
Factor
-\frac{25}{56} = -0.44642857142857145
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\frac{12\left(-3\right)}{7\times 4}\times \frac{5}{12}\times \frac{5}{6}
Multiply \frac{12}{7} times -\frac{3}{4} by multiplying numerator times numerator and denominator times denominator.
\frac{-36}{28}\times \frac{5}{12}\times \frac{5}{6}
Do the multiplications in the fraction \frac{12\left(-3\right)}{7\times 4}.
-\frac{9}{7}\times \frac{5}{12}\times \frac{5}{6}
Reduce the fraction \frac{-36}{28} to lowest terms by extracting and canceling out 4.
\frac{-9\times 5}{7\times 12}\times \frac{5}{6}
Multiply -\frac{9}{7} times \frac{5}{12} by multiplying numerator times numerator and denominator times denominator.
\frac{-45}{84}\times \frac{5}{6}
Do the multiplications in the fraction \frac{-9\times 5}{7\times 12}.
-\frac{15}{28}\times \frac{5}{6}
Reduce the fraction \frac{-45}{84} to lowest terms by extracting and canceling out 3.
\frac{-15\times 5}{28\times 6}
Multiply -\frac{15}{28} times \frac{5}{6} by multiplying numerator times numerator and denominator times denominator.
\frac{-75}{168}
Do the multiplications in the fraction \frac{-15\times 5}{28\times 6}.
-\frac{25}{56}
Reduce the fraction \frac{-75}{168} to lowest terms by extracting and canceling out 3.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
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]
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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}