Evaluate
8.3
Factor
\frac{83}{2 \cdot 5} = 8\frac{3}{10} = 8.3
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5.2+\frac{72+1}{8}-6.025
Multiply 9 and 8 to get 72.
5.2+\frac{73}{8}-6.025
Add 72 and 1 to get 73.
\frac{26}{5}+\frac{73}{8}-6.025
Convert decimal number 5.2 to fraction \frac{52}{10}. Reduce the fraction \frac{52}{10} to lowest terms by extracting and canceling out 2.
\frac{208}{40}+\frac{365}{40}-6.025
Least common multiple of 5 and 8 is 40. Convert \frac{26}{5} and \frac{73}{8} to fractions with denominator 40.
\frac{208+365}{40}-6.025
Since \frac{208}{40} and \frac{365}{40} have the same denominator, add them by adding their numerators.
\frac{573}{40}-6.025
Add 208 and 365 to get 573.
\frac{573}{40}-\frac{241}{40}
Convert decimal number 6.025 to fraction \frac{6025}{1000}. Reduce the fraction \frac{6025}{1000} to lowest terms by extracting and canceling out 25.
\frac{573-241}{40}
Since \frac{573}{40} and \frac{241}{40} have the same denominator, subtract them by subtracting their numerators.
\frac{332}{40}
Subtract 241 from 573 to get 332.
\frac{83}{10}
Reduce the fraction \frac{332}{40} to lowest terms by extracting and canceling out 4.
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}