(31000-20045) \times 40 \% -20045 \times 5 \% =
Evaluate
\frac{13519}{4}=3379.75
Factor
\frac{11 \cdot 1229}{2 ^ {2}} = 3379\frac{3}{4} = 3379.75
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10955\times \frac{40}{100}-20045\times \frac{5}{100}
Subtract 20045 from 31000 to get 10955.
10955\times \frac{2}{5}-20045\times \frac{5}{100}
Reduce the fraction \frac{40}{100} to lowest terms by extracting and canceling out 20.
\frac{10955\times 2}{5}-20045\times \frac{5}{100}
Express 10955\times \frac{2}{5} as a single fraction.
\frac{21910}{5}-20045\times \frac{5}{100}
Multiply 10955 and 2 to get 21910.
4382-20045\times \frac{5}{100}
Divide 21910 by 5 to get 4382.
4382-20045\times \frac{1}{20}
Reduce the fraction \frac{5}{100} to lowest terms by extracting and canceling out 5.
4382-\frac{20045}{20}
Multiply 20045 and \frac{1}{20} to get \frac{20045}{20}.
4382-\frac{4009}{4}
Reduce the fraction \frac{20045}{20} to lowest terms by extracting and canceling out 5.
\frac{17528}{4}-\frac{4009}{4}
Convert 4382 to fraction \frac{17528}{4}.
\frac{17528-4009}{4}
Since \frac{17528}{4} and \frac{4009}{4} have the same denominator, subtract them by subtracting their numerators.
\frac{13519}{4}
Subtract 4009 from 17528 to get 13519.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}