Evaluate
\frac{457}{902}\approx 0.506651885
Factor
\frac{457}{2 \cdot 11 \cdot 41} = 0.5066518847006651
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\frac{1}{2}+\frac{\frac{1}{2}}{6-\frac{7}{4\times 2}}-\frac{1}{11}
Express \frac{\frac{7}{4}}{2} as a single fraction.
\frac{1}{2}+\frac{\frac{1}{2}}{6-\frac{7}{8}}-\frac{1}{11}
Multiply 4 and 2 to get 8.
\frac{1}{2}+\frac{\frac{1}{2}}{\frac{48}{8}-\frac{7}{8}}-\frac{1}{11}
Convert 6 to fraction \frac{48}{8}.
\frac{1}{2}+\frac{\frac{1}{2}}{\frac{48-7}{8}}-\frac{1}{11}
Since \frac{48}{8} and \frac{7}{8} have the same denominator, subtract them by subtracting their numerators.
\frac{1}{2}+\frac{\frac{1}{2}}{\frac{41}{8}}-\frac{1}{11}
Subtract 7 from 48 to get 41.
\frac{1}{2}+\frac{1}{2}\times \frac{8}{41}-\frac{1}{11}
Divide \frac{1}{2} by \frac{41}{8} by multiplying \frac{1}{2} by the reciprocal of \frac{41}{8}.
\frac{1}{2}+\frac{1\times 8}{2\times 41}-\frac{1}{11}
Multiply \frac{1}{2} times \frac{8}{41} by multiplying numerator times numerator and denominator times denominator.
\frac{1}{2}+\frac{8}{82}-\frac{1}{11}
Do the multiplications in the fraction \frac{1\times 8}{2\times 41}.
\frac{1}{2}+\frac{4}{41}-\frac{1}{11}
Reduce the fraction \frac{8}{82} to lowest terms by extracting and canceling out 2.
\frac{41}{82}+\frac{8}{82}-\frac{1}{11}
Least common multiple of 2 and 41 is 82. Convert \frac{1}{2} and \frac{4}{41} to fractions with denominator 82.
\frac{41+8}{82}-\frac{1}{11}
Since \frac{41}{82} and \frac{8}{82} have the same denominator, add them by adding their numerators.
\frac{49}{82}-\frac{1}{11}
Add 41 and 8 to get 49.
\frac{539}{902}-\frac{82}{902}
Least common multiple of 82 and 11 is 902. Convert \frac{49}{82} and \frac{1}{11} to fractions with denominator 902.
\frac{539-82}{902}
Since \frac{539}{902} and \frac{82}{902} have the same denominator, subtract them by subtracting their numerators.
\frac{457}{902}
Subtract 82 from 539 to get 457.
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}