Evaluate
\frac{27}{56}\approx 0.482142857
Factor
\frac{3 ^ {3}}{2 ^ {3} \cdot 7} = 0.48214285714285715
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\frac{8}{4}-\frac{3}{4}-\frac{5}{8}+\frac{-3+\frac{5}{2}}{\frac{2\times 3+7}{3}-\frac{5}{6}}
Convert 2 to fraction \frac{8}{4}.
\frac{8-3}{4}-\frac{5}{8}+\frac{-3+\frac{5}{2}}{\frac{2\times 3+7}{3}-\frac{5}{6}}
Since \frac{8}{4} and \frac{3}{4} have the same denominator, subtract them by subtracting their numerators.
\frac{5}{4}-\frac{5}{8}+\frac{-3+\frac{5}{2}}{\frac{2\times 3+7}{3}-\frac{5}{6}}
Subtract 3 from 8 to get 5.
\frac{10}{8}-\frac{5}{8}+\frac{-3+\frac{5}{2}}{\frac{2\times 3+7}{3}-\frac{5}{6}}
Least common multiple of 4 and 8 is 8. Convert \frac{5}{4} and \frac{5}{8} to fractions with denominator 8.
\frac{10-5}{8}+\frac{-3+\frac{5}{2}}{\frac{2\times 3+7}{3}-\frac{5}{6}}
Since \frac{10}{8} and \frac{5}{8} have the same denominator, subtract them by subtracting their numerators.
\frac{5}{8}+\frac{-3+\frac{5}{2}}{\frac{2\times 3+7}{3}-\frac{5}{6}}
Subtract 5 from 10 to get 5.
\frac{5}{8}+\frac{-\frac{6}{2}+\frac{5}{2}}{\frac{2\times 3+7}{3}-\frac{5}{6}}
Convert -3 to fraction -\frac{6}{2}.
\frac{5}{8}+\frac{\frac{-6+5}{2}}{\frac{2\times 3+7}{3}-\frac{5}{6}}
Since -\frac{6}{2} and \frac{5}{2} have the same denominator, add them by adding their numerators.
\frac{5}{8}+\frac{-\frac{1}{2}}{\frac{2\times 3+7}{3}-\frac{5}{6}}
Add -6 and 5 to get -1.
\frac{5}{8}+\frac{-\frac{1}{2}}{\frac{6+7}{3}-\frac{5}{6}}
Multiply 2 and 3 to get 6.
\frac{5}{8}+\frac{-\frac{1}{2}}{\frac{13}{3}-\frac{5}{6}}
Add 6 and 7 to get 13.
\frac{5}{8}+\frac{-\frac{1}{2}}{\frac{26}{6}-\frac{5}{6}}
Least common multiple of 3 and 6 is 6. Convert \frac{13}{3} and \frac{5}{6} to fractions with denominator 6.
\frac{5}{8}+\frac{-\frac{1}{2}}{\frac{26-5}{6}}
Since \frac{26}{6} and \frac{5}{6} have the same denominator, subtract them by subtracting their numerators.
\frac{5}{8}+\frac{-\frac{1}{2}}{\frac{21}{6}}
Subtract 5 from 26 to get 21.
\frac{5}{8}+\frac{-\frac{1}{2}}{\frac{7}{2}}
Reduce the fraction \frac{21}{6} to lowest terms by extracting and canceling out 3.
\frac{5}{8}-\frac{1}{2}\times \frac{2}{7}
Divide -\frac{1}{2} by \frac{7}{2} by multiplying -\frac{1}{2} by the reciprocal of \frac{7}{2}.
\frac{5}{8}+\frac{-2}{2\times 7}
Multiply -\frac{1}{2} times \frac{2}{7} by multiplying numerator times numerator and denominator times denominator.
\frac{5}{8}+\frac{-1}{7}
Cancel out 2 in both numerator and denominator.
\frac{5}{8}-\frac{1}{7}
Fraction \frac{-1}{7} can be rewritten as -\frac{1}{7} by extracting the negative sign.
\frac{35}{56}-\frac{8}{56}
Least common multiple of 8 and 7 is 56. Convert \frac{5}{8} and \frac{1}{7} to fractions with denominator 56.
\frac{35-8}{56}
Since \frac{35}{56} and \frac{8}{56} have the same denominator, subtract them by subtracting their numerators.
\frac{27}{56}
Subtract 8 from 35 to get 27.
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}