What is the least common denominator of 2/5, 1/5 and 1/10

10

2/5 and 1/5 both have denominators of 5. So, 5 is not the least common denominator. 10 only serves a denominator for one number, 1/10.

The answer is 10. Hope this helps you!

I think the answer is 1/5 because the denominator is less the 1/10 and it is the 1 farthest away from the denominator out of 1/5 and 2/5

answer: 21$

step-by-step explanation:

$42 / $14 = 3   (ratio 3: 1)

$7 x 3 = $21

a

step-by-step explanation: