Evaluate
-\frac{70}{19}\approx -3.684210526
Factor
-\frac{70}{19} = -3\frac{13}{19} = -3.6842105263157894
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\frac{-16\times 6}{3\times 19}-2
Multiply -\frac{16}{3} times \frac{6}{19} by multiplying numerator times numerator and denominator times denominator.
\frac{-96}{57}-2
Do the multiplications in the fraction \frac{-16\times 6}{3\times 19}.
-\frac{32}{19}-2
Reduce the fraction \frac{-96}{57} to lowest terms by extracting and canceling out 3.
-\frac{32}{19}-\frac{38}{19}
Convert 2 to fraction \frac{38}{19}.
\frac{-32-38}{19}
Since -\frac{32}{19} and \frac{38}{19} have the same denominator, subtract them by subtracting their numerators.
-\frac{70}{19}
Subtract 38 from -32 to get -70.
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}