Question

20 and 30
Factors of 20
20
30
Factors of 30
HCF
LCM​

Answer 1

factors of 20 = 1,2,4,5,10,20

factors of 30 = 1,2,3,5,10,15,30

do HCF is 10

LCM

Answer 2

Step-by-step explanation:

Factors of:

20 are 1,2,4,5,10 and 20.

30 are 1, 2,3,5,10,15, and 30.

LCM of 20

is 20 but the LCM of 20 and 30 is - 60

HCF of 20 and 30

is 10

hope this will help you.....