<PRE><B>Question 250969</B>
USE multiplying by 1 to find and expression
equivalent to 15/17 with a denominator of 136a. 
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(15/17)= ?/136a
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(15/17)(136a/136a) = (15*136a/17*136a) = (15*8a/136a) = 120a/136a
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Cheers,
Stan H.
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