Evaluate
\frac{159}{2}=79.5
Factor
\frac{3 \cdot 53}{2} = 79\frac{1}{2} = 79.5
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\frac{149+75+80+85+88}{6}
Add 71 and 78 to get 149.
\frac{224+80+85+88}{6}
Add 149 and 75 to get 224.
\frac{304+85+88}{6}
Add 224 and 80 to get 304.
\frac{389+88}{6}
Add 304 and 85 to get 389.
\frac{477}{6}
Add 389 and 88 to get 477.
\frac{159}{2}
Reduce the fraction \frac{477}{6} to lowest terms by extracting and canceling out 3.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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}