Evaluate
-\frac{355}{47}\approx -7.553191489
Factor
-\frac{355}{47} = -7\frac{26}{47} = -7.553191489361702
Share
Copied to clipboard
\frac{450-40\times 100}{470}
Subtract 20 from 470 to get 450.
\frac{450-4000}{470}
Multiply 40 and 100 to get 4000.
\frac{-3550}{470}
Subtract 4000 from 450 to get -3550.
-\frac{355}{47}
Reduce the fraction \frac{-3550}{470} to lowest terms by extracting and canceling out 10.
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}