To recognize 1 ÷ a/b = b/a and hence x ÷ a/b = x × b/a in the context of quotitive (measurement) division.
Anthony Or. Education Bureau, Hong Kong.
orchiming@gmail.com
中文版:http://www.geogebratube.org/material/show/id/14537
Fraction Division4: x ÷ a/b (Quotitive)