What is the mixed number 4 and 3/5 minus the mixed number 2 and 2/5

4 3/5 - 2 2/5
Convert both mixed numbers into improper fractions
23/5 - 12/5
Subtract the numerators but NOT the denominators
Final 11/5 or 2 1/5 *Both answers are equivalent to each other.

In mathematical expression, you can write it as:
4 3/5 - 2 2/5
= 23/5 - 12/5
= 23-12 /5       [took 5 as a common denominator ] 
= 11/5             [ answer in fraction form ]
= 2 1/5            [ answer in mixed form ]

Hope this helps!