Evaluate
\frac{1227}{16}=76.6875
Factor
\frac{3 \cdot 409}{2 ^ {4}} = 76\frac{11}{16} = 76.6875
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\frac{\left(80\times 5+9\right)\times 15}{5\times 16}
Divide \frac{80\times 5+9}{5} by \frac{16}{15} by multiplying \frac{80\times 5+9}{5} by the reciprocal of \frac{16}{15}.
\frac{3\left(9+5\times 80\right)}{16}
Cancel out 5 in both numerator and denominator.
\frac{3\left(9+400\right)}{16}
Multiply 5 and 80 to get 400.
\frac{3\times 409}{16}
Add 9 and 400 to get 409.
\frac{1227}{16}
Multiply 3 and 409 to get 1227.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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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}