Evaluate
\frac{21}{8}=2.625
Factor
\frac{3 \cdot 7}{2 ^ {3}} = 2\frac{5}{8} = 2.625
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\frac{7}{8}\times 3
Divide \frac{7}{8} by \frac{1}{3} by multiplying \frac{7}{8} by the reciprocal of \frac{1}{3}.
\frac{7\times 3}{8}
Express \frac{7}{8}\times 3 as a single fraction.
\frac{21}{8}
Multiply 7 and 3 to get 21.
Examples
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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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