HCF + LCF

Question 1

Solve this question HCF 
72                     54 
2 x 36.           2 x 27
2 x 18.           3 x 9
2 x 9.             3 x 3 
=

Answer 1

72. 54
    2 x 2 x 2 x 3 x 3 2 x 3 x 3 x 3
    = 2 x 3 x 3
    = 18

Question 2

Solve this question HCF
108.          93 
2 x 54      3 x 31
2 x 27
3 x 9
3 x 3

Answer 2

2 x 2 x 3 x 3 x 3. 3 x 31

= 3

Question 3

Solve this question LCF
24.           56 
2 x 12.      2 x 28
2 x 6         2 x 14 
2 x 3.        2 x 7

Answer 3

2 x 2 x 2 x 3. 2 x 2 x 2 x 7
=7 x 3= 21 x 2= 42 x 2= 84 x 2
= 168