Step-by-step explanation: (Follow the PEMDAS order of operations)  
Step 1: Multiply and Divide Both Sides 
1/2 = 1/2
= 1/2 x 1/5
1/2 x 1 = 1/2
= 1/2/5
Step 2: Solve
1/2/5 = 1/10
ANSWER: = 1/10
 
Explanation in words:  
 
- The first step is to multiply and divide both of the sides following the PEMDAS operations which follow as
1: Parentheses
2: Exponents
3: Multiplication
4: DIvision
5: Addition
6: Subtraction
 
- The second step is to solve the equation at the end. So 1/2/5 is equal to 1/10. So the answer is 1/10. 
 
Easy Steps: See Attachment 
 
Answer:  
1/10 
Hope this helps.