The reciprocal of 15/4 is 4/15
for any number [tex]x[/tex] the reciprocal is given by [tex]\frac{1}{x}[/tex]
The given number here is [tex]\frac{15}{4}[/tex]
Hence the reciprocal is given by [tex]\frac{1}{\frac{15}{4} }[/tex]
which is equal to [tex]\frac{4}{15}[/tex].
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