Evaluate
\frac{91}{24}\approx 3.791666667
Factor
\frac{7 \cdot 13}{2 ^ {3} \cdot 3} = 3\frac{19}{24} = 3.7916666666666665
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\left(2-\frac{5+1}{5}\right)\times \frac{3\times 3+1}{3}+\frac{1\times 8+1}{8}
Multiply 1 and 5 to get 5.
\left(2-\frac{6}{5}\right)\times \frac{3\times 3+1}{3}+\frac{1\times 8+1}{8}
Add 5 and 1 to get 6.
\left(\frac{10}{5}-\frac{6}{5}\right)\times \frac{3\times 3+1}{3}+\frac{1\times 8+1}{8}
Convert 2 to fraction \frac{10}{5}.
\frac{10-6}{5}\times \frac{3\times 3+1}{3}+\frac{1\times 8+1}{8}
Since \frac{10}{5} and \frac{6}{5} have the same denominator, subtract them by subtracting their numerators.
\frac{4}{5}\times \frac{3\times 3+1}{3}+\frac{1\times 8+1}{8}
Subtract 6 from 10 to get 4.
\frac{4}{5}\times \frac{9+1}{3}+\frac{1\times 8+1}{8}
Multiply 3 and 3 to get 9.
\frac{4}{5}\times \frac{10}{3}+\frac{1\times 8+1}{8}
Add 9 and 1 to get 10.
\frac{4\times 10}{5\times 3}+\frac{1\times 8+1}{8}
Multiply \frac{4}{5} times \frac{10}{3} by multiplying numerator times numerator and denominator times denominator.
\frac{40}{15}+\frac{1\times 8+1}{8}
Do the multiplications in the fraction \frac{4\times 10}{5\times 3}.
\frac{8}{3}+\frac{1\times 8+1}{8}
Reduce the fraction \frac{40}{15} to lowest terms by extracting and canceling out 5.
\frac{8}{3}+\frac{8+1}{8}
Multiply 1 and 8 to get 8.
\frac{8}{3}+\frac{9}{8}
Add 8 and 1 to get 9.
\frac{64}{24}+\frac{27}{24}
Least common multiple of 3 and 8 is 24. Convert \frac{8}{3} and \frac{9}{8} to fractions with denominator 24.
\frac{64+27}{24}
Since \frac{64}{24} and \frac{27}{24} have the same denominator, add them by adding their numerators.
\frac{91}{24}
Add 64 and 27 to get 91.
Examples
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{ 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}