Evaluate
41.5
Factor
\frac{83}{2} = 41\frac{1}{2} = 41.5
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\frac{68+3}{4}-6.25-\left(-\frac{8\times 2+1}{2}\right)-0.75-\left(-\frac{22\times 4+1}{4}\right)
Multiply 17 and 4 to get 68.
\frac{71}{4}-6.25-\left(-\frac{8\times 2+1}{2}\right)-0.75-\left(-\frac{22\times 4+1}{4}\right)
Add 68 and 3 to get 71.
\frac{71}{4}-\frac{25}{4}-\left(-\frac{8\times 2+1}{2}\right)-0.75-\left(-\frac{22\times 4+1}{4}\right)
Convert decimal number 6.25 to fraction \frac{625}{100}. Reduce the fraction \frac{625}{100} to lowest terms by extracting and canceling out 25.
\frac{71-25}{4}-\left(-\frac{8\times 2+1}{2}\right)-0.75-\left(-\frac{22\times 4+1}{4}\right)
Since \frac{71}{4} and \frac{25}{4} have the same denominator, subtract them by subtracting their numerators.
\frac{46}{4}-\left(-\frac{8\times 2+1}{2}\right)-0.75-\left(-\frac{22\times 4+1}{4}\right)
Subtract 25 from 71 to get 46.
\frac{23}{2}-\left(-\frac{8\times 2+1}{2}\right)-0.75-\left(-\frac{22\times 4+1}{4}\right)
Reduce the fraction \frac{46}{4} to lowest terms by extracting and canceling out 2.
\frac{23}{2}-\left(-\frac{16+1}{2}\right)-0.75-\left(-\frac{22\times 4+1}{4}\right)
Multiply 8 and 2 to get 16.
\frac{23}{2}-\left(-\frac{17}{2}\right)-0.75-\left(-\frac{22\times 4+1}{4}\right)
Add 16 and 1 to get 17.
\frac{23}{2}+\frac{17}{2}-0.75-\left(-\frac{22\times 4+1}{4}\right)
The opposite of -\frac{17}{2} is \frac{17}{2}.
\frac{23+17}{2}-0.75-\left(-\frac{22\times 4+1}{4}\right)
Since \frac{23}{2} and \frac{17}{2} have the same denominator, add them by adding their numerators.
\frac{40}{2}-0.75-\left(-\frac{22\times 4+1}{4}\right)
Add 23 and 17 to get 40.
20-0.75-\left(-\frac{22\times 4+1}{4}\right)
Divide 40 by 2 to get 20.
19.25-\left(-\frac{22\times 4+1}{4}\right)
Subtract 0.75 from 20 to get 19.25.
19.25-\left(-\frac{88+1}{4}\right)
Multiply 22 and 4 to get 88.
19.25-\left(-\frac{89}{4}\right)
Add 88 and 1 to get 89.
19.25+\frac{89}{4}
The opposite of -\frac{89}{4} is \frac{89}{4}.
\frac{77}{4}+\frac{89}{4}
Convert decimal number 19.25 to fraction \frac{1925}{100}. Reduce the fraction \frac{1925}{100} to lowest terms by extracting and canceling out 25.
\frac{77+89}{4}
Since \frac{77}{4} and \frac{89}{4} have the same denominator, add them by adding their numerators.
\frac{166}{4}
Add 77 and 89 to get 166.
\frac{83}{2}
Reduce the fraction \frac{166}{4} to lowest terms by extracting and canceling out 2.
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}