Evaluate
-\frac{23}{27}\approx -0.851851852
Factor
-\frac{23}{27} = -0.8518518518518519
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\frac{9}{27}-\frac{32}{27}
Least common multiple of 3 and 27 is 27. Convert \frac{1}{3} and \frac{32}{27} to fractions with denominator 27.
\frac{9-32}{27}
Since \frac{9}{27} and \frac{32}{27} have the same denominator, subtract them by subtracting their numerators.
-\frac{23}{27}
Subtract 32 from 9 to get -23.
Examples
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y = 3x + 4
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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
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