Evaluate
\frac{30}{7}\approx 4.285714286
Factor
\frac{2 \cdot 3 \cdot 5}{7} = 4\frac{2}{7} = 4.285714285714286
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\frac{90}{21}
Multiply 10 and 9 to get 90.
\frac{30}{7}
Reduce the fraction \frac{90}{21} to lowest terms by extracting and canceling out 3.
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