- 4,8 \cdot \frac { - 7 } { 12 } =
Evaluate
2,8
Factor
\frac{2 \cdot 7}{5} = 2\frac{4}{5} = 2.8
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-4,8\left(-\frac{7}{12}\right)
Fraction \frac{-7}{12} can be rewritten as -\frac{7}{12} by extracting the negative sign.
-\frac{24}{5}\left(-\frac{7}{12}\right)
Convert decimal number -4,8 to fraction -\frac{48}{10}. Reduce the fraction -\frac{48}{10} to lowest terms by extracting and canceling out 2.
\frac{-24\left(-7\right)}{5\times 12}
Multiply -\frac{24}{5} times -\frac{7}{12} by multiplying numerator times numerator and denominator times denominator.
\frac{168}{60}
Do the multiplications in the fraction \frac{-24\left(-7\right)}{5\times 12}.
\frac{14}{5}
Reduce the fraction \frac{168}{60} to lowest terms by extracting and canceling out 12.
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}