Answer:
60 x^3 y^7
Step-by-step explanation:
3x^3 = 3*xxx
12y^7 = 3*4 yyyyyyy
15xy^3 = 3*5 xyyy
We need to have the minimum of each for the least common multiply
For the numbers there is a 3 a 4 and a 5
For the x , the minimum is xxx
For the y, the minimum is yyyyyyy
Least common multiple: 3*4*5 xxx yyyyyyy
60 x^3 y^7
