Evaluate
\frac{6}{7}\approx 0.857142857
Factor
\frac{2 \cdot 3}{7} = 0.8571428571428571
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\frac{\frac{3}{4}\times \frac{6}{5}\times 5}{\frac{7}{4}\times 3}
Divide \frac{\frac{3}{4}\times \frac{6}{5}}{\frac{7}{4}} by \frac{3}{5} by multiplying \frac{\frac{3}{4}\times \frac{6}{5}}{\frac{7}{4}} by the reciprocal of \frac{3}{5}.
\frac{\frac{3\times 6}{4\times 5}\times 5}{\frac{7}{4}\times 3}
Multiply \frac{3}{4} times \frac{6}{5} by multiplying numerator times numerator and denominator times denominator.
\frac{\frac{18}{20}\times 5}{\frac{7}{4}\times 3}
Do the multiplications in the fraction \frac{3\times 6}{4\times 5}.
\frac{\frac{9}{10}\times 5}{\frac{7}{4}\times 3}
Reduce the fraction \frac{18}{20} to lowest terms by extracting and canceling out 2.
\frac{\frac{9\times 5}{10}}{\frac{7}{4}\times 3}
Express \frac{9}{10}\times 5 as a single fraction.
\frac{\frac{45}{10}}{\frac{7}{4}\times 3}
Multiply 9 and 5 to get 45.
\frac{\frac{9}{2}}{\frac{7}{4}\times 3}
Reduce the fraction \frac{45}{10} to lowest terms by extracting and canceling out 5.
\frac{\frac{9}{2}}{\frac{7\times 3}{4}}
Express \frac{7}{4}\times 3 as a single fraction.
\frac{\frac{9}{2}}{\frac{21}{4}}
Multiply 7 and 3 to get 21.
\frac{9}{2}\times \frac{4}{21}
Divide \frac{9}{2} by \frac{21}{4} by multiplying \frac{9}{2} by the reciprocal of \frac{21}{4}.
\frac{9\times 4}{2\times 21}
Multiply \frac{9}{2} times \frac{4}{21} by multiplying numerator times numerator and denominator times denominator.
\frac{36}{42}
Do the multiplications in the fraction \frac{9\times 4}{2\times 21}.
\frac{6}{7}
Reduce the fraction \frac{36}{42} to lowest terms by extracting and canceling out 6.
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}