Evaluate
\frac{1}{4}=0.25
Factor
\frac{1}{2 ^ {2}} = 0.25
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\frac{\frac{9}{3}-\frac{2}{3}}{\frac{4}{3}\times 7}
Convert 3 to fraction \frac{9}{3}.
\frac{\frac{9-2}{3}}{\frac{4}{3}\times 7}
Since \frac{9}{3} and \frac{2}{3} have the same denominator, subtract them by subtracting their numerators.
\frac{\frac{7}{3}}{\frac{4}{3}\times 7}
Subtract 2 from 9 to get 7.
\frac{\frac{7}{3}}{\frac{4\times 7}{3}}
Express \frac{4}{3}\times 7 as a single fraction.
\frac{\frac{7}{3}}{\frac{28}{3}}
Multiply 4 and 7 to get 28.
\frac{7}{3}\times \frac{3}{28}
Divide \frac{7}{3} by \frac{28}{3} by multiplying \frac{7}{3} by the reciprocal of \frac{28}{3}.
\frac{7\times 3}{3\times 28}
Multiply \frac{7}{3} times \frac{3}{28} by multiplying numerator times numerator and denominator times denominator.
\frac{7}{28}
Cancel out 3 in both numerator and denominator.
\frac{1}{4}
Reduce the fraction \frac{7}{28} to lowest terms by extracting and canceling out 7.
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}