Please teach me how to convert improper fractions to reduced fractions.

Mekabu is a type of seaweed and is considered to be highly nutritious.

He sold all his holdings of that company's stock.

He holds shares in many companies.

He holds the stockholder's rights of that company.

This red turnip is very sweet and delicious.

He sold all his stocks decisively and completely.

I divided plants by the roots in the garden over the weekend.

I did stock splitting for the first time this year.

He was feigning innocence, pretending he knew nothing.