Evaluate
\frac{133}{8}=16.625
Factor
\frac{7 \cdot 19}{2 ^ {3}} = 16\frac{5}{8} = 16.625
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7\times \frac{16+3}{8}
Multiply 2 and 8 to get 16.
7\times \frac{19}{8}
Add 16 and 3 to get 19.
\frac{7\times 19}{8}
Express 7\times \frac{19}{8} as a single fraction.
\frac{133}{8}
Multiply 7 and 19 to get 133.
Examples
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y = 3x + 4
Arithmetic
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Matrix
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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}