Pens are sold in packs of 8 and notepads are sold in packs of 12. Find the least number of each type that one should buy so that there are equal number of pens and notepads. Why do we take LCM instead of HCF??
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Pens are sold in packs of 8 and notepads are sold in packs of 12. Find the least number of each type that one should buy so that there are equal number of pens and notepads. Why do we take LCM instead of HCF??
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Answer:
Step-by-step explanation:
No of pens in a pack = 8
No of notepads in a pack = 12
Prime factor of 8 = 2×2×2=23
Prime factor of 12 = 2×2×3=22×3
LCM (8,12) = 23×3=24
Therefore, 24 is the least number of packets one must get