Evaluate
\frac{16}{7}\approx 2.285714286
Factor
\frac{2 ^ {4}}{7} = 2\frac{2}{7} = 2.2857142857142856
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\frac{\frac{3}{3}-\frac{1}{3}}{\frac{1}{6}+\frac{1}{8}}
Convert 1 to fraction \frac{3}{3}.
\frac{\frac{3-1}{3}}{\frac{1}{6}+\frac{1}{8}}
Since \frac{3}{3} and \frac{1}{3} have the same denominator, subtract them by subtracting their numerators.
\frac{\frac{2}{3}}{\frac{1}{6}+\frac{1}{8}}
Subtract 1 from 3 to get 2.
\frac{\frac{2}{3}}{\frac{4}{24}+\frac{3}{24}}
Least common multiple of 6 and 8 is 24. Convert \frac{1}{6} and \frac{1}{8} to fractions with denominator 24.
\frac{\frac{2}{3}}{\frac{4+3}{24}}
Since \frac{4}{24} and \frac{3}{24} have the same denominator, add them by adding their numerators.
\frac{\frac{2}{3}}{\frac{7}{24}}
Add 4 and 3 to get 7.
\frac{2}{3}\times \frac{24}{7}
Divide \frac{2}{3} by \frac{7}{24} by multiplying \frac{2}{3} by the reciprocal of \frac{7}{24}.
\frac{2\times 24}{3\times 7}
Multiply \frac{2}{3} times \frac{24}{7} by multiplying numerator times numerator and denominator times denominator.
\frac{48}{21}
Do the multiplications in the fraction \frac{2\times 24}{3\times 7}.
\frac{16}{7}
Reduce the fraction \frac{48}{21} to lowest terms by extracting and canceling out 3.
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y = 3x + 4
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Matrix
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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}