Evaluate
12.25
Factor
\frac{7 ^ {2}}{2 ^ {2}} = 12\frac{1}{4} = 12.25
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\frac{490}{40}
Multiply 20 and 24.5 to get 490.
\frac{49}{4}
Reduce the fraction \frac{490}{40} to lowest terms by extracting and canceling out 10.
Examples
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Matrix
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Simultaneous equation
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Limits
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