Evaluate
\frac{19}{33}\approx 0.575757576
Factor
\frac{19}{3 \cdot 11} = 0.5757575757575758
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\frac{11+10}{11}-\frac{1\times 3+1}{3}
Multiply 1 and 11 to get 11.
\frac{21}{11}-\frac{1\times 3+1}{3}
Add 11 and 10 to get 21.
\frac{21}{11}-\frac{3+1}{3}
Multiply 1 and 3 to get 3.
\frac{21}{11}-\frac{4}{3}
Add 3 and 1 to get 4.
\frac{63}{33}-\frac{44}{33}
Least common multiple of 11 and 3 is 33. Convert \frac{21}{11} and \frac{4}{3} to fractions with denominator 33.
\frac{63-44}{33}
Since \frac{63}{33} and \frac{44}{33} have the same denominator, subtract them by subtracting their numerators.
\frac{19}{33}
Subtract 44 from 63 to get 19.
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
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}