HCF of numerators (8,10,16) = 2 and HCF of denominators (9,27,81) = 9.

LCM of numerators(8,10,16) = 80 and LCM of denominators(9,27,81) = 81.

So HCF of fraction = HCF of numerator/ LCM of denominator = .

and LCM of fraction = LCM of numerator/HCF of denominator = .