Find the HCF of $18,32,48$

Find the HCF of $105,154$

Find the HCF of $42,45,48$.

Find the HCF of $57,75,102$

Find the HCF of $56,57$

Find the HCF of $777,315,588$

Find the HCF by the division method and reduce to the simplest form of the following fraction:

$\frac{275}{525}$

Find the HCF by the division method and reduce to the simplest form of the following fraction:

$\frac{76}{133}$

Find the HCF by the division method and reduce to the simplest form. $\frac{161}{69}$