Evaluate
-\frac{431}{56}\approx -7.696428571
Factor
-\frac{431}{56} = -7\frac{39}{56} = -7.696428571428571
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-\frac{896+35}{56}+\frac{8\times 56+52}{56}
Multiply 16 and 56 to get 896.
-\frac{931}{56}+\frac{8\times 56+52}{56}
Add 896 and 35 to get 931.
-\frac{133}{8}+\frac{8\times 56+52}{56}
Reduce the fraction \frac{931}{56} to lowest terms by extracting and canceling out 7.
-\frac{133}{8}+\frac{448+52}{56}
Multiply 8 and 56 to get 448.
-\frac{133}{8}+\frac{500}{56}
Add 448 and 52 to get 500.
-\frac{133}{8}+\frac{125}{14}
Reduce the fraction \frac{500}{56} to lowest terms by extracting and canceling out 4.
-\frac{931}{56}+\frac{500}{56}
Least common multiple of 8 and 14 is 56. Convert -\frac{133}{8} and \frac{125}{14} to fractions with denominator 56.
\frac{-931+500}{56}
Since -\frac{931}{56} and \frac{500}{56} have the same denominator, add them by adding their numerators.
-\frac{431}{56}
Add -931 and 500 to get -431.
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}