The LCM of 35 and 85 is 595 You can find the LCM by dividing the product of the pair of integers by their GCF. The product of 35 and 85 is 2975 The GCF of 35 and 85 is 5 (35 = 5*7 and 85 = 5* 17, so their GCF is 5.) 2975 / 5 = 595

Example: 1/5 + 2/7 Find the LCM of the denominators. The LCM of 5 and 7 is 35. Convert the original fractions to equivalent ones. 1/5 = 7/35 2/7 = 10/35 Add. 7/35 + 10/35 = 17/35 1/5 + 2/7 = 17/35