Respuesta :

Answer:

40

Step-by-step explanation:

The least common denominator of 9/10,3/8 and 1/5 is 40

Answer: The answer is 40.

Step-by-step explanation:

Least common denominator is just the same as least common multiple.

10, 20, 30, 40,

5,10,15,20,25,30,35,40

8, 16, 24, 32, 40