Evaluate
\frac{15}{22}\approx 0.681818182
Factor
\frac{3 \cdot 5}{2 \cdot 11} = 0.6818181818181818
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\frac{9\times 5}{11\times 6}
Multiply \frac{9}{11} times \frac{5}{6} by multiplying numerator times numerator and denominator times denominator.
\frac{45}{66}
Do the multiplications in the fraction \frac{9\times 5}{11\times 6}.
\frac{15}{22}
Reduce the fraction \frac{45}{66} to lowest terms by extracting and canceling out 3.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
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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
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Limits
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