BRAINLIEST TO CORRECT explain every specific step and rule to the answer of this problem

Answer:
40
Step-by-step explanation:
KCF
First you have the 10, to divide by a fraction you must put it over 1 which is 10/1. Then you Keep the first number which is 10/1. Then, change the sign,
10/1 x 1/4. Then, Flip 1/4 to 4/1, 10/1 x 4/1. Multiply.
= 40/1
Now simplify
=40