Evaluate
\frac{2}{7}\approx 0.285714286
Factor
\frac{2}{7} = 0.2857142857142857
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\frac{6\times 7}{7\times 21}
Divide \frac{6}{7} by \frac{21}{7} by multiplying \frac{6}{7} by the reciprocal of \frac{21}{7}.
\frac{2}{7}
Cancel out 3\times 7 in both numerator and denominator.
Examples
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Simultaneous equation
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Differentiation
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Limits
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