Ravi is 1 1/4 (mixed fraction). dinesh is 1 1/15 times as tall as Ravi. what is Dinesh's height

Dinesh is 1 1/3

First: Convert any mixed numbers to fractions.

Then your initial equation becomes: 5/4 times 16/15

Then : Applying the fractions formula for multiplication

5*16 = 80

4*15. = 60

Last:Simplifying 80/60, the answer is

1 1/3