Evaluate
-\frac{69}{25}=-2.76
Factor
-\frac{69}{25} = -2\frac{19}{25} = -2.76
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\frac{\frac{20}{5}+\frac{3}{5}}{\frac{1}{3}-2}
Convert 4 to fraction \frac{20}{5}.
\frac{\frac{20+3}{5}}{\frac{1}{3}-2}
Since \frac{20}{5} and \frac{3}{5} have the same denominator, add them by adding their numerators.
\frac{\frac{23}{5}}{\frac{1}{3}-2}
Add 20 and 3 to get 23.
\frac{\frac{23}{5}}{\frac{1}{3}-\frac{6}{3}}
Convert 2 to fraction \frac{6}{3}.
\frac{\frac{23}{5}}{\frac{1-6}{3}}
Since \frac{1}{3} and \frac{6}{3} have the same denominator, subtract them by subtracting their numerators.
\frac{\frac{23}{5}}{-\frac{5}{3}}
Subtract 6 from 1 to get -5.
\frac{23}{5}\left(-\frac{3}{5}\right)
Divide \frac{23}{5} by -\frac{5}{3} by multiplying \frac{23}{5} by the reciprocal of -\frac{5}{3}.
\frac{23\left(-3\right)}{5\times 5}
Multiply \frac{23}{5} times -\frac{3}{5} by multiplying numerator times numerator and denominator times denominator.
\frac{-69}{25}
Do the multiplications in the fraction \frac{23\left(-3\right)}{5\times 5}.
-\frac{69}{25}
Fraction \frac{-69}{25} can be rewritten as -\frac{69}{25} by extracting the negative sign.
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}