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8\times \frac{5}{4}=5
Divide 8 by \frac{4}{5} by multiplying 8 by the reciprocal of \frac{4}{5}.
\frac{8\times 5}{4}=5
Express 8\times \frac{5}{4} as a single fraction.
\frac{40}{4}=5
Multiply 8 and 5 to get 40.
10=5
Divide 40 by 4 to get 10.
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Compare 10 and 5.
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
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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
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Limits
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