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Arithmetic
5 problems similar to:
\frac { 2 } { 7 } \times \frac { 7 } { 9 } = \frac { 14 } { 63 }
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\frac{2\times 7}{7\times 9}=\frac{14}{63}
Multiply \frac{2}{7} times \frac{7}{9} by multiplying numerator times numerator and denominator times denominator.
\frac{2}{9}=\frac{14}{63}
Cancel out 7 in both numerator and denominator.
\frac{2}{9}=\frac{2}{9}
Reduce the fraction \frac{14}{63} to lowest terms by extracting and canceling out 7.
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Compare \frac{2}{9} and \frac{2}{9}.
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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