Question

Find HFC of 18 and 45

Answer 1

$18 \: ) \: 45 \: ( \: 2 \\ \: \: \: \: \: \: \: \: 36 \:$
$======$

$\: \:\: \: \: \:\: \: 9 \: \: )18 \: \: ( \: 2 \\ \: \: \:\: \:\: \:\: \: \: \: \: \: 18$
$\: \:\: \: ======$
$\: \:\: \:\: \:\: \:\: \: 0$

H. C. F of 18 , 45 is 9

Hope helped!

Answer 2

18 = 3 * 3 *2
45 = 3 * 3 *5
HCF = 3 *3 = 9.