Evaluate
\frac{22}{21}\approx 1.047619048
Factor
\frac{2 \cdot 11}{3 \cdot 7} = 1\frac{1}{21} = 1.0476190476190477
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\frac{2}{1+\frac{2}{1+\frac{2}{1+\frac{2}{3}}}}
Add 1 and 2 to get 3.
\frac{2}{1+\frac{2}{1+\frac{2}{\frac{3}{3}+\frac{2}{3}}}}
Convert 1 to fraction \frac{3}{3}.
\frac{2}{1+\frac{2}{1+\frac{2}{\frac{3+2}{3}}}}
Since \frac{3}{3} and \frac{2}{3} have the same denominator, add them by adding their numerators.
\frac{2}{1+\frac{2}{1+\frac{2}{\frac{5}{3}}}}
Add 3 and 2 to get 5.
\frac{2}{1+\frac{2}{1+2\times \frac{3}{5}}}
Divide 2 by \frac{5}{3} by multiplying 2 by the reciprocal of \frac{5}{3}.
\frac{2}{1+\frac{2}{1+\frac{2\times 3}{5}}}
Express 2\times \frac{3}{5} as a single fraction.
\frac{2}{1+\frac{2}{1+\frac{6}{5}}}
Multiply 2 and 3 to get 6.
\frac{2}{1+\frac{2}{\frac{5}{5}+\frac{6}{5}}}
Convert 1 to fraction \frac{5}{5}.
\frac{2}{1+\frac{2}{\frac{5+6}{5}}}
Since \frac{5}{5} and \frac{6}{5} have the same denominator, add them by adding their numerators.
\frac{2}{1+\frac{2}{\frac{11}{5}}}
Add 5 and 6 to get 11.
\frac{2}{1+2\times \frac{5}{11}}
Divide 2 by \frac{11}{5} by multiplying 2 by the reciprocal of \frac{11}{5}.
\frac{2}{1+\frac{2\times 5}{11}}
Express 2\times \frac{5}{11} as a single fraction.
\frac{2}{1+\frac{10}{11}}
Multiply 2 and 5 to get 10.
\frac{2}{\frac{11}{11}+\frac{10}{11}}
Convert 1 to fraction \frac{11}{11}.
\frac{2}{\frac{11+10}{11}}
Since \frac{11}{11} and \frac{10}{11} have the same denominator, add them by adding their numerators.
\frac{2}{\frac{21}{11}}
Add 11 and 10 to get 21.
2\times \frac{11}{21}
Divide 2 by \frac{21}{11} by multiplying 2 by the reciprocal of \frac{21}{11}.
\frac{2\times 11}{21}
Express 2\times \frac{11}{21} as a single fraction.
\frac{22}{21}
Multiply 2 and 11 to get 22.
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}