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| Math Central | Quandaries & Queries |
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Question from arionne, a student: How do you solve a square root with improper fractions like 121 over 49 |
Arionne,
The useful information here is that
\[\sqrt{\frac{a}{b}} = \frac{\sqrt{a}}{\sqrt{b}}.\]
Penny
The same as with proper fractions: square root of numerator over square root of denominator.
Mixed fractions should usually be converted to improper fractions first.
RD
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