Evaluate
-\frac{1423}{19}\approx -74.894736842
Factor
-\frac{1423}{19} = -74\frac{17}{19} = -74.89473684210526
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\frac{401}{19}+\frac{1767}{19}-61-64\times 2
Convert 93 to fraction \frac{1767}{19}.
\frac{401+1767}{19}-61-64\times 2
Since \frac{401}{19} and \frac{1767}{19} have the same denominator, add them by adding their numerators.
\frac{2168}{19}-61-64\times 2
Add 401 and 1767 to get 2168.
\frac{2168}{19}-\frac{1159}{19}-64\times 2
Convert 61 to fraction \frac{1159}{19}.
\frac{2168-1159}{19}-64\times 2
Since \frac{2168}{19} and \frac{1159}{19} have the same denominator, subtract them by subtracting their numerators.
\frac{1009}{19}-64\times 2
Subtract 1159 from 2168 to get 1009.
\frac{1009}{19}-128
Multiply 64 and 2 to get 128.
\frac{1009}{19}-\frac{2432}{19}
Convert 128 to fraction \frac{2432}{19}.
\frac{1009-2432}{19}
Since \frac{1009}{19} and \frac{2432}{19} have the same denominator, subtract them by subtracting their numerators.
-\frac{1423}{19}
Subtract 2432 from 1009 to get -1423.
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}