Evaluate
-56
Factor
-56
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\frac{\frac{14}{2}-\frac{3}{2}+\frac{1}{10}}{\frac{\frac{2}{5}-1}{2}+\frac{1}{5}}
Convert 7 to fraction \frac{14}{2}.
\frac{\frac{14-3}{2}+\frac{1}{10}}{\frac{\frac{2}{5}-1}{2}+\frac{1}{5}}
Since \frac{14}{2} and \frac{3}{2} have the same denominator, subtract them by subtracting their numerators.
\frac{\frac{11}{2}+\frac{1}{10}}{\frac{\frac{2}{5}-1}{2}+\frac{1}{5}}
Subtract 3 from 14 to get 11.
\frac{\frac{55}{10}+\frac{1}{10}}{\frac{\frac{2}{5}-1}{2}+\frac{1}{5}}
Least common multiple of 2 and 10 is 10. Convert \frac{11}{2} and \frac{1}{10} to fractions with denominator 10.
\frac{\frac{55+1}{10}}{\frac{\frac{2}{5}-1}{2}+\frac{1}{5}}
Since \frac{55}{10} and \frac{1}{10} have the same denominator, add them by adding their numerators.
\frac{\frac{56}{10}}{\frac{\frac{2}{5}-1}{2}+\frac{1}{5}}
Add 55 and 1 to get 56.
\frac{\frac{28}{5}}{\frac{\frac{2}{5}-1}{2}+\frac{1}{5}}
Reduce the fraction \frac{56}{10} to lowest terms by extracting and canceling out 2.
\frac{\frac{28}{5}}{\frac{\frac{2}{5}-\frac{5}{5}}{2}+\frac{1}{5}}
Convert 1 to fraction \frac{5}{5}.
\frac{\frac{28}{5}}{\frac{\frac{2-5}{5}}{2}+\frac{1}{5}}
Since \frac{2}{5} and \frac{5}{5} have the same denominator, subtract them by subtracting their numerators.
\frac{\frac{28}{5}}{\frac{-\frac{3}{5}}{2}+\frac{1}{5}}
Subtract 5 from 2 to get -3.
\frac{\frac{28}{5}}{\frac{-3}{5\times 2}+\frac{1}{5}}
Express \frac{-\frac{3}{5}}{2} as a single fraction.
\frac{\frac{28}{5}}{\frac{-3}{10}+\frac{1}{5}}
Multiply 5 and 2 to get 10.
\frac{\frac{28}{5}}{-\frac{3}{10}+\frac{1}{5}}
Fraction \frac{-3}{10} can be rewritten as -\frac{3}{10} by extracting the negative sign.
\frac{\frac{28}{5}}{-\frac{3}{10}+\frac{2}{10}}
Least common multiple of 10 and 5 is 10. Convert -\frac{3}{10} and \frac{1}{5} to fractions with denominator 10.
\frac{\frac{28}{5}}{\frac{-3+2}{10}}
Since -\frac{3}{10} and \frac{2}{10} have the same denominator, add them by adding their numerators.
\frac{\frac{28}{5}}{-\frac{1}{10}}
Add -3 and 2 to get -1.
\frac{28}{5}\left(-10\right)
Divide \frac{28}{5} by -\frac{1}{10} by multiplying \frac{28}{5} by the reciprocal of -\frac{1}{10}.
\frac{28\left(-10\right)}{5}
Express \frac{28}{5}\left(-10\right) as a single fraction.
\frac{-280}{5}
Multiply 28 and -10 to get -280.
-56
Divide -280 by 5 to get -56.
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}