Question

find the HCF and LCM of 8/9,10/27 and 16/81 and how explain please.​

Answer 1

Answer:

1)8=2×2×2

9=3×3

LCM of 8and9 is 2³×3²=72

HCF of 8 and 9 is 1 ,since there is no other common factor.

2)10=2×5

27=3×3×3

LCM of 10 and 27 is 2×5×3³=270

HCF =1 cause 1 is only common factor.

3) 16=2⁴

81=3⁴

LCM=2⁴×3⁴=1296

HCF=1 cause 1 is the only common factor.

hope it will help you.