Evaluate
\frac{16a}{15}
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\frac{16a}{15}
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\frac{\frac{4}{2}a}{\frac{1\times 8+7}{8}}
Multiply 4 and \frac{1}{2} to get \frac{4}{2}.
\frac{2a}{\frac{1\times 8+7}{8}}
Divide 4 by 2 to get 2.
\frac{2a}{\frac{8+7}{8}}
Multiply 1 and 8 to get 8.
\frac{2a}{\frac{15}{8}}
Add 8 and 7 to get 15.
\frac{2a\times 8}{15}
Divide 2a by \frac{15}{8} by multiplying 2a by the reciprocal of \frac{15}{8}.
\frac{16a}{15}
Multiply 2 and 8 to get 16.
\frac{\frac{4}{2}a}{\frac{1\times 8+7}{8}}
Multiply 4 and \frac{1}{2} to get \frac{4}{2}.
\frac{2a}{\frac{1\times 8+7}{8}}
Divide 4 by 2 to get 2.
\frac{2a}{\frac{8+7}{8}}
Multiply 1 and 8 to get 8.
\frac{2a}{\frac{15}{8}}
Add 8 and 7 to get 15.
\frac{2a\times 8}{15}
Divide 2a by \frac{15}{8} by multiplying 2a by the reciprocal of \frac{15}{8}.
\frac{16a}{15}
Multiply 2 and 8 to get 16.
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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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}