Easy
Find the LCM of 12 and 7 given that their HCF is 1.
Explanation
Explanation
For any two numbers, HCF × LCM = product of the numbers. So LCM = (12 × 7) ÷ HCF = 84 ÷ 1 = 84.
PRO TIP
Re-check your working by substituting the answer back into the original question.