Question: 15 ÷ 2/6
Answer: Turn the 15 into 15/1 (15 over 1 as it is a whole number) 
Turn the ÷ into a × 
15/1 × 2/6
The final crucial step is to swap the 15 and 1 around 
15/1 to 1/15 and then do the calculation 
Evaluation: 
15 ÷ 2/6 = 15/1 × 2/6 = 1/15 × 2/6 
Conclusion: 
15 ÷ 2/6 = 2/90 = 45