Find the largest number which completely divides 12,16,20
Find the HCF of 12,16,20
12=2*2*3 ,16=2*2*2*2 ,20=2*2*5
HCF=2*2=4
Find the HCF of 0.7,1.4,2.8
Find the HCF of 1.7,0.51,0.153
Find the HCF of 8,20,28,44
Find the HCF of 4,6,12