Reduce `198/315` using HCF method

Magnesium oxide is reduced in the Hansging method using

Reduce (288)/(392) to the simplest form using HCF of the numerator and denominator. Find the HCF by prime factorisation method

Reduce (264)/(408) to simplest form using HCF of the numerator and denominator

Find the HCF of the following numbers using division method 224, 210, 280