How do i subtract mix number in fractions?

To convert mixed number fractions you can:
 
 → Convert them into improper fractions
 → Give the fractions common denominators
 → Subtract the two numerators, keeping the denominator
 → If necessary, simplify and convert your fraction back to a mixed number      fraction

Example: 3 5/6 - 1 2/3

→ 23/6 - 5/3
→ 23/6 - 10/6 
→ 13/6 = 2 1/6
∴ 3 5/6 - 1 2/3 = 13/6 OR 2 1/6

You have to convert it to a mixed number