Algebra
Find the least common multiple of the numbers. 240, 340
Holt McDougal Larson Pre-Algebra Common Core Edition page 226 number 68
Holt McDougal Larson Pre-Algebra Common Core Edition page 226 number 68
LCM
Factor to prime numbers
240 2 2 2 2 3 5
340 2 2 5 1 17
2 2 2 2 3 5 1 17
The LCM is the product of all the columns
2*2*2*2*3*5*1*17
=4080