Fractions-Simplifying915=5Factors are 1, 3, 9Factors are 1, 3, 5,153HCF, So 93=HCF, So 15รท3=Fractions-Simplifying1827=Factors are 1, 2, 3, 6, 9, 18Factors are 1, 3, 9, 272HCFHCF3Fractions-Simplifying1232=Factors are 1, 2, 3, 4, 6, 12Factors are 1, 2, 4, 8, 16, 32 3HCFHCF8Fractions-Simplifying7=Factors are 1, 7Factors are 1, 2, 4, 7, 14, 28 1HCFHCF428Fractions-Simplifying8=Factors are 1, 2, 4, 8Factors are 1, 2, 4, 7, 14, 28 2HCFHCF728Fractions-Simplifying11=Factors are 1, 11 Factors are 1, 13 111313