e/6/docs/api/java/text/ParsePosition.html?is-external=true" title="class or interface in java.text">ParsePosition</a>&nbsp;pos)</pre>
<div class="block">Parses a string to produce a <a href="../../../../../org/apache/commons/math3/fraction/BigFraction.html" title="class in org.apache.commons.math3.fraction"><code>BigFraction</code></a> object.  This method
 expects the string to be formatted as a proper BigFraction.
 <p>
 Minus signs are only allowed in the whole number part - i.e.,
 "-3 1/2" is legitimate 