Evaluate
\frac{11}{180}\approx 0.061111111
Factor
\frac{11}{2 ^ {2} \cdot 3 ^ {2} \cdot 5} = 0.06111111111111111
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\frac{20}{180}-\frac{9}{180}
Least common multiple of 9 and 20 is 180. Convert \frac{1}{9} and \frac{1}{20} to fractions with denominator 180.
\frac{20-9}{180}
Since \frac{20}{180} and \frac{9}{180} have the same denominator, subtract them by subtracting their numerators.
\frac{11}{180}
Subtract 9 from 20 to get 11.
Examples
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y = 3x + 4
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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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