Evaluate
-\frac{8}{77}\approx -0.103896104
Factor
-\frac{8}{77} = -0.1038961038961039
Quiz
Arithmetic
5 problems similar to:
\frac { - 2 } { 7 } + \frac { 1 } { 3 } \times \frac { 6 } { 11 }
Share
Copied to clipboard
-\frac{2}{7}+\frac{1}{3}\times \frac{6}{11}
Fraction \frac{-2}{7} can be rewritten as -\frac{2}{7} by extracting the negative sign.
-\frac{2}{7}+\frac{1\times 6}{3\times 11}
Multiply \frac{1}{3} times \frac{6}{11} by multiplying numerator times numerator and denominator times denominator.
-\frac{2}{7}+\frac{6}{33}
Do the multiplications in the fraction \frac{1\times 6}{3\times 11}.
-\frac{2}{7}+\frac{2}{11}
Reduce the fraction \frac{6}{33} to lowest terms by extracting and canceling out 3.
-\frac{22}{77}+\frac{14}{77}
Least common multiple of 7 and 11 is 77. Convert -\frac{2}{7} and \frac{2}{11} to fractions with denominator 77.
\frac{-22+14}{77}
Since -\frac{22}{77} and \frac{14}{77} have the same denominator, add them by adding their numerators.
-\frac{8}{77}
Add -22 and 14 to get -8.
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}