Find the lcm and hcf of 10 20 30 July 8, 2019 16 32 64 128 Find the sum of the lcm and hcf of 10 20 30 Find the sum of the lcm and hcf of 10 20 and 30 class Find the lcm of 20 and 30 when their hcf is 10 Find the least common multiple Find hcf of two numbers How to find lcm and hcf of 2 numbers