- \frac { 5 } { 7 } ( - 1,4 ) \cdot 3 \frac { 1 } { 2 } \cdot \frac { 2 } { 7 } =
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-\frac{5}{7}\left(-\frac{7}{5}\right)\times \frac{3\times 2+1}{2}\times \frac{2}{7}
Convert decimal number -1,4 to fraction -\frac{14}{10}. Reduce the fraction -\frac{14}{10} to lowest terms by extracting and canceling out 2.
\frac{-5\left(-7\right)}{7\times 5}\times \frac{3\times 2+1}{2}\times \frac{2}{7}
Multiply -\frac{5}{7} times -\frac{7}{5} by multiplying numerator times numerator and denominator times denominator.
\frac{35}{35}\times \frac{3\times 2+1}{2}\times \frac{2}{7}
Do the multiplications in the fraction \frac{-5\left(-7\right)}{7\times 5}.
1\times \frac{3\times 2+1}{2}\times \frac{2}{7}
Divide 35 by 35 to get 1.
1\times \frac{6+1}{2}\times \frac{2}{7}
Multiply 3 and 2 to get 6.
1\times \frac{7}{2}\times \frac{2}{7}
Add 6 and 1 to get 7.
\frac{7}{2}\times \frac{2}{7}
Multiply 1 and \frac{7}{2} to get \frac{7}{2}.
1
Cancel out \frac{7}{2} and its reciprocal \frac{2}{7}.
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}