Evaluate
-\frac{254}{143}\approx -1.776223776
Factor
-\frac{254}{143} = -1\frac{111}{143} = -1.7762237762237763
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-\frac{78}{143}-\frac{176}{143}
Least common multiple of 11 and 13 is 143. Convert -\frac{6}{11} and \frac{16}{13} to fractions with denominator 143.
\frac{-78-176}{143}
Since -\frac{78}{143} and \frac{176}{143} have the same denominator, subtract them by subtracting their numerators.
-\frac{254}{143}
Subtract 176 from -78 to get -254.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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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