Explanation Slide...

より always gets attached to the lesser item. Remember that のほう is often dropped by native speakers

In Japanese, adjectives have the same shape in noncomparative and comparative sentences; there is no alteration as in "great/greater". The idea of comparison is expressed by adding something to the nouns that are compared.

Aのほうが　Bより (property)

A is more (property) than B

These items are interchangeable

​So you can say Bより Aのほうが (property)

It means the exact same in either direction

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中国の方が日本より大きいです.

China is larger than Japan

AとBと　どちらのほうが (property)

Between A and B, which is more (property)?

​To ask the question, which is more...

Native Speakers

​Native Japanese speakers often omit のほう in their answer to the question because the person already knows what is being compared

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ハンバーガー​のほうが　ホットドッグよりおいしいです。(formal)

ハンバーガー​のほうが　ホットドッグよりおいしいです。(informal/common)

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