Evaluate
-\frac{313}{30}\approx -10.433333333
Factor
-\frac{313}{30} = -10\frac{13}{30} = -10.433333333333334
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-\frac{24+5}{6}-\frac{5\times 5+3}{5}
Multiply 4 and 6 to get 24.
-\frac{29}{6}-\frac{5\times 5+3}{5}
Add 24 and 5 to get 29.
-\frac{29}{6}-\frac{25+3}{5}
Multiply 5 and 5 to get 25.
-\frac{29}{6}-\frac{28}{5}
Add 25 and 3 to get 28.
-\frac{145}{30}-\frac{168}{30}
Least common multiple of 6 and 5 is 30. Convert -\frac{29}{6} and \frac{28}{5} to fractions with denominator 30.
\frac{-145-168}{30}
Since -\frac{145}{30} and \frac{168}{30} have the same denominator, subtract them by subtracting their numerators.
-\frac{313}{30}
Subtract 168 from -145 to get -313.
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}