Evaluate
-\frac{196}{45}\approx -4.355555556
Factor
-\frac{196}{45} = -4\frac{16}{45} = -4.355555555555555
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-\frac{30+14}{15}-\frac{1\times 45+19}{45}
Multiply 2 and 15 to get 30.
-\frac{44}{15}-\frac{1\times 45+19}{45}
Add 30 and 14 to get 44.
-\frac{44}{15}-\frac{45+19}{45}
Multiply 1 and 45 to get 45.
-\frac{44}{15}-\frac{64}{45}
Add 45 and 19 to get 64.
-\frac{132}{45}-\frac{64}{45}
Least common multiple of 15 and 45 is 45. Convert -\frac{44}{15} and \frac{64}{45} to fractions with denominator 45.
\frac{-132-64}{45}
Since -\frac{132}{45} and \frac{64}{45} have the same denominator, subtract them by subtracting their numerators.
-\frac{196}{45}
Subtract 64 from -132 to get -196.
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}