Evaluate
\frac{257}{28}\approx 9.178571429
Factor
\frac{257}{2 ^ {2} \cdot 7} = 9\frac{5}{28} = 9.178571428571429
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8+\frac{6}{\frac{66}{11}-\frac{10}{11}}
Convert 6 to fraction \frac{66}{11}.
8+\frac{6}{\frac{66-10}{11}}
Since \frac{66}{11} and \frac{10}{11} have the same denominator, subtract them by subtracting their numerators.
8+\frac{6}{\frac{56}{11}}
Subtract 10 from 66 to get 56.
8+6\times \frac{11}{56}
Divide 6 by \frac{56}{11} by multiplying 6 by the reciprocal of \frac{56}{11}.
8+\frac{6\times 11}{56}
Express 6\times \frac{11}{56} as a single fraction.
8+\frac{66}{56}
Multiply 6 and 11 to get 66.
8+\frac{33}{28}
Reduce the fraction \frac{66}{56} to lowest terms by extracting and canceling out 2.
\frac{224}{28}+\frac{33}{28}
Convert 8 to fraction \frac{224}{28}.
\frac{224+33}{28}
Since \frac{224}{28} and \frac{33}{28} have the same denominator, add them by adding their numerators.
\frac{257}{28}
Add 224 and 33 to get 257.
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}