What is the value of (p-1)3 when p=15/18+5/16-20/24?

Answer Posted / s.chinna rao

p=(15/18+5/16-20/24)
or p=5/2[3/9+1/8-4/12]
or p=5/2[1/3+1/8-1/3]
or p=5/2(1/8)
so p=5/16
now (p-1)
(5/16-1)
-11/16
again (p-1)/3
= (-11/16)/3
= -33/16

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