Evaluate
-\frac{112}{15}\approx -7.466666667
Factor
-\frac{112}{15} = -7\frac{7}{15} = -7.466666666666667
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\left(\frac{10}{5}-\frac{3}{5}\right)\left(\frac{4}{3}-4\right)\times \frac{4}{2}
Convert 2 to fraction \frac{10}{5}.
\frac{10-3}{5}\left(\frac{4}{3}-4\right)\times \frac{4}{2}
Since \frac{10}{5} and \frac{3}{5} have the same denominator, subtract them by subtracting their numerators.
\frac{7}{5}\left(\frac{4}{3}-4\right)\times \frac{4}{2}
Subtract 3 from 10 to get 7.
\frac{7}{5}\left(\frac{4}{3}-\frac{12}{3}\right)\times \frac{4}{2}
Convert 4 to fraction \frac{12}{3}.
\frac{7}{5}\times \frac{4-12}{3}\times \frac{4}{2}
Since \frac{4}{3} and \frac{12}{3} have the same denominator, subtract them by subtracting their numerators.
\frac{7}{5}\left(-\frac{8}{3}\right)\times \frac{4}{2}
Subtract 12 from 4 to get -8.
\frac{7\left(-8\right)}{5\times 3}\times \frac{4}{2}
Multiply \frac{7}{5} times -\frac{8}{3} by multiplying numerator times numerator and denominator times denominator.
\frac{-56}{15}\times \frac{4}{2}
Do the multiplications in the fraction \frac{7\left(-8\right)}{5\times 3}.
-\frac{56}{15}\times \frac{4}{2}
Fraction \frac{-56}{15} can be rewritten as -\frac{56}{15} by extracting the negative sign.
-\frac{56}{15}\times 2
Divide 4 by 2 to get 2.
\frac{-56\times 2}{15}
Express -\frac{56}{15}\times 2 as a single fraction.
\frac{-112}{15}
Multiply -56 and 2 to get -112.
-\frac{112}{15}
Fraction \frac{-112}{15} can be rewritten as -\frac{112}{15} 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}