Evaluate
-\frac{1}{8}=-0.125
Factor
-\frac{1}{8} = -0.125
Share
Copied to clipboard
\frac{-8\left(-27\right)}{9\times 32}+\frac{23}{28}\left(-\frac{49}{46}\right)
Multiply -\frac{8}{9} times -\frac{27}{32} by multiplying numerator times numerator and denominator times denominator.
\frac{216}{288}+\frac{23}{28}\left(-\frac{49}{46}\right)
Do the multiplications in the fraction \frac{-8\left(-27\right)}{9\times 32}.
\frac{3}{4}+\frac{23}{28}\left(-\frac{49}{46}\right)
Reduce the fraction \frac{216}{288} to lowest terms by extracting and canceling out 72.
\frac{3}{4}+\frac{23\left(-49\right)}{28\times 46}
Multiply \frac{23}{28} times -\frac{49}{46} by multiplying numerator times numerator and denominator times denominator.
\frac{3}{4}+\frac{-1127}{1288}
Do the multiplications in the fraction \frac{23\left(-49\right)}{28\times 46}.
\frac{3}{4}-\frac{7}{8}
Reduce the fraction \frac{-1127}{1288} to lowest terms by extracting and canceling out 161.
\frac{6}{8}-\frac{7}{8}
Least common multiple of 4 and 8 is 8. Convert \frac{3}{4} and \frac{7}{8} to fractions with denominator 8.
\frac{6-7}{8}
Since \frac{6}{8} and \frac{7}{8} have the same denominator, subtract them by subtracting their numerators.
-\frac{1}{8}
Subtract 7 from 6 to get -1.
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}