Answer:
5/9
Explanation:
Convert 1 4/5 to improper fraction
1 4/5 = (1 x 5 + 4)/4 = 9/5
When you divide by a fraction, it is the same as multiplying by the reciprocal of the function
Reciprocal of 9/5 = 5/9 (because 9/5 x 5/9 = 1 and this the defn)
So 1 ÷ 9/5 = 1 x 5/9 = 5/9