Evaluate
\frac{95}{28}\approx 3.392857143
Factor
\frac{5 \cdot 19}{2 ^ {2} \cdot 7} = 3\frac{11}{28} = 3.392857142857143
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\frac{397}{84}-\frac{112}{84}
Least common multiple of 84 and 3 is 84. Convert \frac{397}{84} and \frac{4}{3} to fractions with denominator 84.
\frac{397-112}{84}
Since \frac{397}{84} and \frac{112}{84} have the same denominator, subtract them by subtracting their numerators.
\frac{285}{84}
Subtract 112 from 397 to get 285.
\frac{95}{28}
Reduce the fraction \frac{285}{84} to lowest terms by extracting and canceling out 3.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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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}