The answer to the problem is 0.9 or 9/10.
As it is given 3/8 divided by 5/12 it should be like this:
⇒ 3/8÷5/12
⇒ 3/8×12/5
⇒ 3/2×3/5
⇒ 9/10
⇒ 0.9
As dividing 3/8 by 5/12 will simply be reciprocal 5/12 to 12/5 and after that, it is a simple multiplication step.