Evaluate
-\frac{61}{2}=-30.5
Factor
-\frac{61}{2} = -30\frac{1}{2} = -30.5
Share
Copied to clipboard
-\frac{12}{6}-\frac{5}{6}+2\left(-\frac{31}{3}\right)-3-4
Convert -2 to fraction -\frac{12}{6}.
\frac{-12-5}{6}+2\left(-\frac{31}{3}\right)-3-4
Since -\frac{12}{6} and \frac{5}{6} have the same denominator, subtract them by subtracting their numerators.
-\frac{17}{6}+2\left(-\frac{31}{3}\right)-3-4
Subtract 5 from -12 to get -17.
-\frac{17}{6}+\frac{2\left(-31\right)}{3}-3-4
Express 2\left(-\frac{31}{3}\right) as a single fraction.
-\frac{17}{6}+\frac{-62}{3}-3-4
Multiply 2 and -31 to get -62.
-\frac{17}{6}-\frac{62}{3}-3-4
Fraction \frac{-62}{3} can be rewritten as -\frac{62}{3} by extracting the negative sign.
-\frac{17}{6}-\frac{124}{6}-3-4
Least common multiple of 6 and 3 is 6. Convert -\frac{17}{6} and \frac{62}{3} to fractions with denominator 6.
\frac{-17-124}{6}-3-4
Since -\frac{17}{6} and \frac{124}{6} have the same denominator, subtract them by subtracting their numerators.
\frac{-141}{6}-3-4
Subtract 124 from -17 to get -141.
-\frac{47}{2}-3-4
Reduce the fraction \frac{-141}{6} to lowest terms by extracting and canceling out 3.
-\frac{47}{2}-\frac{6}{2}-4
Convert 3 to fraction \frac{6}{2}.
\frac{-47-6}{2}-4
Since -\frac{47}{2} and \frac{6}{2} have the same denominator, subtract them by subtracting their numerators.
-\frac{53}{2}-4
Subtract 6 from -47 to get -53.
-\frac{53}{2}-\frac{8}{2}
Convert 4 to fraction \frac{8}{2}.
\frac{-53-8}{2}
Since -\frac{53}{2} and \frac{8}{2} have the same denominator, subtract them by subtracting their numerators.
-\frac{61}{2}
Subtract 8 from -53 to get -61.
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}