Evaluate
\frac{10}{21}\approx 0.476190476
Factor
\frac{2 \cdot 5}{3 \cdot 7} = 0.47619047619047616
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\frac{2\times 5}{3\times 7}
Multiply \frac{2}{3} times \frac{5}{7} by multiplying numerator times numerator and denominator times denominator.
\frac{10}{21}
Do the multiplications in the fraction \frac{2\times 5}{3\times 7}.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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
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Limits
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