Evaluate
\frac{3}{11}\approx 0.272727273
Factor
\frac{3}{11} = 0.2727272727272727
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\frac{\frac{7}{7}+\frac{2}{7}}{4+\frac{5}{7}}
Convert 1 to fraction \frac{7}{7}.
\frac{\frac{7+2}{7}}{4+\frac{5}{7}}
Since \frac{7}{7} and \frac{2}{7} have the same denominator, add them by adding their numerators.
\frac{\frac{9}{7}}{4+\frac{5}{7}}
Add 7 and 2 to get 9.
\frac{\frac{9}{7}}{\frac{28}{7}+\frac{5}{7}}
Convert 4 to fraction \frac{28}{7}.
\frac{\frac{9}{7}}{\frac{28+5}{7}}
Since \frac{28}{7} and \frac{5}{7} have the same denominator, add them by adding their numerators.
\frac{\frac{9}{7}}{\frac{33}{7}}
Add 28 and 5 to get 33.
\frac{9}{7}\times \frac{7}{33}
Divide \frac{9}{7} by \frac{33}{7} by multiplying \frac{9}{7} by the reciprocal of \frac{33}{7}.
\frac{9\times 7}{7\times 33}
Multiply \frac{9}{7} times \frac{7}{33} by multiplying numerator times numerator and denominator times denominator.
\frac{9}{33}
Cancel out 7 in both numerator and denominator.
\frac{3}{11}
Reduce the fraction \frac{9}{33} to lowest terms by extracting and canceling out 3.
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}