Evaluate
\frac{9}{7}\approx 1.285714286
Factor
\frac{3 ^ {2}}{7} = 1\frac{2}{7} = 1.2857142857142858
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\frac{\frac{3}{5}\times 10}{\frac{2}{3}\times 7}
Divide \frac{\frac{3}{5}}{\frac{2}{3}} by \frac{7}{10} by multiplying \frac{\frac{3}{5}}{\frac{2}{3}} by the reciprocal of \frac{7}{10}.
\frac{\frac{3\times 10}{5}}{\frac{2}{3}\times 7}
Express \frac{3}{5}\times 10 as a single fraction.
\frac{\frac{30}{5}}{\frac{2}{3}\times 7}
Multiply 3 and 10 to get 30.
\frac{6}{\frac{2}{3}\times 7}
Divide 30 by 5 to get 6.
\frac{6}{\frac{2\times 7}{3}}
Express \frac{2}{3}\times 7 as a single fraction.
\frac{6}{\frac{14}{3}}
Multiply 2 and 7 to get 14.
6\times \frac{3}{14}
Divide 6 by \frac{14}{3} by multiplying 6 by the reciprocal of \frac{14}{3}.
\frac{6\times 3}{14}
Express 6\times \frac{3}{14} as a single fraction.
\frac{18}{14}
Multiply 6 and 3 to get 18.
\frac{9}{7}
Reduce the fraction \frac{18}{14} to lowest terms by extracting and canceling out 2.
Examples
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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}