To determine the fraction used to divide \( \frac{3}{8} \), we need to understand that dividing by a fraction is equivalent to multiplying by its reciprocal.
So, if we have a fraction \( \frac{a}{b} \) and we want to divide \( \frac{3}{8} \) by this fraction, it can be expressed as:
\[ \frac{3}{8} \div \frac{a}{b} = \frac{3}{8} \times \frac{b}{a} \]
Here, \( \frac{a}{b} \) is the fraction we are dividing by. The operation would result in:
\[ \frac{3b}{8a} \]
Therefore, to determine the fraction used for division, you need to specify what \( a \) and \( b \) are. If you meant to specifically look for a fraction that, when used to divide \( \frac{3}{8} \), results in a defined output, you'd set that up accordingly based on the desired result.
If you have a specific fraction in mind you want to divide \( \frac{3}{8} \) by, please share that for a more detailed calculation!
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