Question

Using the division method, find the HCF of 48 and 30.

Options

• 6

• 12

• 18

• 24

Answer 1

6

Explanation: 

48 ÷ 30 = remainder 18;

30 ÷ 18 = remainder 12; 

18 ÷ 12 = remainder 6;

12 ÷ 6 = remainder 0. 

Hence, the HCF is the last non-zero remainder, which is 6.