6. To find the common denominator find the LCM of 6 and 8 Multiples of 8 are 8, 16, 24, 32.. Multiples of 6 are 6, 12,18, 24.. The LCM of 6 and 8 is 24 Now convert each fraction into 24ths 1 / 6 x 4 = 4 / 24 3 / 8 x 3 = 9 / 24 By finding a common denominator we can can now compare the fractions and see that 3/8 is bigger