.

Answer:

1. 4 2/5 ÷ 1/4 = 88/5 or 17 3/5

Step-by-step explanation:

Conversion a mixed number 4 2/5

to a improper fraction: 4 2/5

= 4 2/5

= 4 · 5 + 2/5

= 20 + 2/5

= 22/5