Evaluate
\frac{21}{10}=2.1
Factor
\frac{3 \cdot 7}{2 \cdot 5} = 2\frac{1}{10} = 2.1
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\frac{9}{10}\times \frac{7}{3}
Divide \frac{9}{10} by \frac{3}{7} by multiplying \frac{9}{10} by the reciprocal of \frac{3}{7}.
\frac{9\times 7}{10\times 3}
Multiply \frac{9}{10} times \frac{7}{3} by multiplying numerator times numerator and denominator times denominator.
\frac{63}{30}
Do the multiplications in the fraction \frac{9\times 7}{10\times 3}.
\frac{21}{10}
Reduce the fraction \frac{63}{30} to lowest terms by extracting and canceling out 3.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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